Before first use, gently hand wash both the glass mug and bamboo lid with mild soap and lukewarm water. Rinse thoroughly and dry with a soft cloth. When pouring hot beverages, we recommend pre-warming the glass by filling it halfway with warm (not boiling) water first, letting it sit for 30 seconds, then emptying before adding your hot drink. This gradual temperature adjustment helps prevent thermal shock. Always pour liquids gently rather than splashing them in. The bamboo lid should be hand-washed only and not soaked for extended periods. The double wall design keeps the outer surface cool to touch while maintaining drink temperature.

While the double wall borosilicate glass is designed for hot beverages, we strongly recommend not pouring boiling liquids directly into a cold mug. The best practice is to let your freshly boiled beverage cool for 30-60 seconds before pouring, or pre-warm the glass with warm water first. This prevents thermal shock which can cause cracking. Pour gently along the side rather than splashing from height. The double wall construction is heat-resistant and will keep your drink hot while the outer wall remains comfortable to hold, but gradual temperature changes are always safer for glass products.

Always use the large handle when lifting the mug, especially when it contains hot liquids. Avoid gripping the glass body tightly as excessive pressure on the thin double walls can cause stress. When placing on surfaces, set it down gently rather than thumping it. Keep away from counter edges where it might get knocked off. The glass is designed to be lightweight and elegant, but this means it requires careful handling. Don't use metal spoons vigorously inside the mug as this can chip or crack the interior. When storing, ensure the mugs aren't stacked or pressed against hard objects. Treat them like you would fine glassware.

There is a slight adjustment period if you're used to ceramic or steel mugs. The key differences: these are lighter and more delicate, requiring gentler handling. You'll need to avoid extreme temperature shocks and be mindful when stirring or placing spoons inside. The bamboo lid sits on top but isn't a tight seal, so don't tilt the mug expecting it to be leak-proof while traveling. Once you get used to the careful handling required, the benefits become clear - beautiful presentation, excellent temperature retention, and the outer wall stays cool to touch. Just think of them as display-quality glassware rather than rough-use everyday mugs.

Each mug has a 300 ml capacity, and you receive 2 identical mugs in the pack. The 300 ml size is perfect for a standard cup of coffee, cappuccino, latte, or tea. The double wall design means there's an air gap between the inner and outer glass layers, which doesn't reduce the usable capacity - you still get the full 300 ml for your beverage. Both mugs come with matching bamboo lids. The dimensions are designed to fit comfortably in your hand with the large handle, and they're suitable for personal use at home, office, or for serving guests. The pack of 2 makes it convenient for couples or small households.

The mug body is made from borosilicate glass, which is the same material used in laboratory glassware and high-quality drinkware. This type of glass is naturally BPA-free, lead-free, and non-toxic. Borosilicate glass is specifically chosen because it has better thermal resistance than regular glass and can handle temperature variations better. The lid is made from natural bamboo, which is eco-friendly and food-safe. There are no plastic components touching your beverage. The double wall construction creates an insulating air layer that keeps hot drinks hot and cold drinks cold while preventing condensation on the outside. Both materials are completely safe for daily beverage consumption.

The double wall construction features two layers of glass with an air gap in between, creating a vacuum-like insulation effect. This design keeps your hot beverages hot for longer periods while ensuring the outer surface remains cool enough to hold comfortably without burning your hands. For cold drinks, it prevents condensation from forming on the outside, so no water rings on your furniture. The visual effect is also stunning - your beverage appears to float inside the glass. The insulation works both ways, maintaining your drink's temperature better than single-wall mugs. Additionally, the bamboo lid helps retain heat and prevents dust or insects from getting into your drink.

Hand washing is strongly recommended for both the glass mug and bamboo lid. Use mild dish soap and lukewarm water with a soft sponge or cloth. Avoid abrasive scrubbers, steel wool, or harsh chemicals that might scratch the glass. For coffee or tea stains, a paste of baking soda and water works well - apply gently and rinse thoroughly. The bamboo lid should be hand-washed quickly and dried immediately; don't soak it in water for extended periods as this can damage the bamboo. After washing, dry both components with a soft towel. Ensure the mug is completely dry before storing to prevent water spots. Clean regularly to maintain the crystal-clear appearance.

We do not recommend putting these mugs in the dishwasher. The high heat, strong water jets, and jostling against other dishes can damage the delicate double wall glass or cause the bamboo lid to warp and crack. The bamboo lid is definitely not dishwasher safe. As for microwave use, while borosilicate glass itself is microwave-safe, the double wall design can create uneven heating and potential thermal stress. The bamboo lid must never go in the microwave. If you need to reheat your beverage, it's safer to do so in a microwave-safe container and then pour it into your InstaCuppa mug. Hand washing and stovetop/kettle heating are the safest approaches for longevity.

Yes, the bamboo lid is completely removable and should be cleaned separately from the glass mug. Simply lift it off - it sits on top of the mug and isn't attached. Wash the lid with mild soap and water, using a soft cloth to clean both sides. Dry it immediately and thoroughly with a towel, as bamboo can absorb water and may warp or develop mold if left damp. Don't soak the bamboo lid or leave it submerged in water. For the glass mug, you can reach inside easily through the wide opening to clean the interior walls. The large handle also makes it easy to grip while washing. Store the lid separately if you won't be using the mug for a while to allow air circulation.

This typically happens due to thermal shock - when there's a sudden extreme temperature change that the glass cannot handle. Even though borosilicate glass is heat-resistant, pouring boiling hot liquid directly into a cold glass can cause cracking, especially if the glass is thin. To prevent this: never pour liquids that are actively boiling, let them cool for 30-60 seconds first. Pre-warm the glass with warm (not hot) water before adding your hot beverage. Avoid placing a hot mug directly on cold surfaces like granite or marble countertops. Don't add ice or cold water to a hot mug. Pour gently rather than splashing. If you follow these temperature-transition precautions, the glass should serve you well for regular coffee and tea temperatures.

Yes, double wall glass mugs are inherently thinner than single-wall ceramic or glass mugs because they feature two separate glass layers. This thinness is actually part of the design - it keeps the mug lightweight and allows for better heat insulation. However, this does mean they require more careful handling than your typical ceramic mug. They're not designed for rough daily use like tossing in a sink full of dishes or handling roughly. Think of them as premium glassware meant for mindful use. The trade-off for the elegant design and excellent insulation properties is the need for gentle handling. Store them safely, avoid impacts, don't grip too tightly, and they'll serve their purpose beautifully. They're presentation-quality mugs rather than workhorse mugs.

If moisture appears between the glass layers, this indicates the seal has been compromised, likely due to a crack or manufacturing defect. This shouldn't happen with normal use. The double wall design is meant to be completely sealed with only air between the layers. If you notice this issue, contact InstaCuppa customer service immediately with photos and your order details. This would be covered under the warranty if it's a manufacturing defect. To prevent seal damage: avoid extreme temperature shocks, don't drop or bang the mug, and don't put it in the dishwasher. If the seal is intact, you should never see moisture, condensation, or liquid between the walls - only clear air space.

The main differences are in insulation, aesthetics, and weight. The double wall glass design provides superior temperature retention - your coffee stays hot longer while the outer surface remains comfortable to hold, unlike ceramic which gets hot. Visually, these are stunning with the floating beverage effect and clear glass showcase. They're much lighter than ceramic. The bamboo lid is eco-friendly and adds a premium touch that most ceramic mugs lack. However, the trade-off is that they require more careful handling - they're not as impact-resistant as thick ceramic mugs. They're also not suitable for dishwasher use. Choose these if you value presentation, insulation performance, and are willing to hand wash and handle with care. Choose ceramic for rough everyday use and dishwasher convenience.

These mugs are perfect for people who appreciate premium drinkware and enjoy the ritual of a well-presented beverage. Ideal for home coffee or tea enthusiasts who want their morning drink to feel special, or for offices where you want a sophisticated desk accessory. Great for Instagram-worthy beverage photos. Suitable for those who already handle glassware carefully and don't mind hand washing. They make excellent gifts for housewarmings, weddings, or coffee lovers. Not recommended for households with young children who might handle them roughly, or for busy individuals who prefer tossing everything in the dishwasher. Also not ideal if you need extremely durable, unbreakable drinkware for outdoor use or travel. Best for stationary use in controlled environments where they'll be appreciated and carefully maintained.

Whether these are worth it depends on your priorities and usage context. The value proposition includes: getting 2 premium mugs with lids, superior insulation compared to regular glassware, beautiful presentation, and eco-friendly bamboo lids. The borosilicate glass is high-quality material. However, you're paying a premium for design and aesthetics. If you simply need functional drinkware and aren't particular about presentation, standard ceramic mugs are more economical and durable. If you value the coffee/tea drinking experience, enjoy entertaining, or want drinkware that doubles as décor, these offer good value. The pack of 2 is convenient. Just understand you're investing in specialty glassware that requires care - factor in the potential risk of breakage if you're generally rough with dishes. For mindful users who appreciate quality, they're a worthwhile purchase.

InstaCuppa offers a 1-year warranty on manufacturing defects for this product. This covers issues like defective seals in the double wall, manufacturing flaws in the glass, or problems with the bamboo lid that arise from production quality rather than user damage. The warranty does not cover breakage from drops, thermal shock from improper use (like pouring boiling water into cold glass), or damage from dishwasher use against recommendations. If you receive a defective product or it develops a manufacturing defect within the warranty period, contact InstaCuppa customer service with your order details and photos of the issue. Keep your purchase invoice for warranty claims. Normal wear and tear, accidental damage, and misuse are not covered under warranty.

Yes, InstaCuppa offers a 10-day trial period with hassle-free returns. If you're not satisfied with the product within 10 days of delivery, you can initiate a return. However, for returns to be accepted, the product must be unused and in its original packaging with all components (both mugs, both lids) intact. If the product arrived damaged during shipping, take photos immediately and contact customer service right away. Returns are typically not accepted if the product has been used and then damaged, or if damage occurred due to misuse. If you're unsure about handling delicate glassware, consider this trial period as your opportunity to assess whether these mugs suit your lifestyle before fully committing. For return initiation, contact InstaCuppa through their official channels with your order number.

This product is manufactured in China and imported and marketed by InstaCuppa Services Private Limited, based in Tirupati, Andhra Pradesh, India. InstaCuppa ensures quality control standards are met before products reach Indian customers. Delivery typically takes 5-7 business days depending on your location within India. The mugs are carefully packaged to prevent damage during transit, usually with protective wrapping and secure boxing. During peak seasons or to remote locations, delivery might take slightly longer. You'll receive tracking information once your order ships. If your package arrives damaged, refuse delivery if possible and contact customer service immediately, or accept it and document the damage with photos for a claim. InstaCuppa ships across India, making these premium mugs accessible nationwide.

5 to 7 working days.

Yes. All InstaCuppa products come with 1 Year Warranty. For more details please check the Warranty section.

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No. Please check the “Warranty” Section For More Details.

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