Collapsible: This 12 oz coffee mug with lid is very space saving and can be flattened to 6.3 cm (2.48 in) allowing it to fit in your pocket or bag. Safe to Use: Made of 100% food grade liquid silicone and plastic lid, non-toxic, odorless and BPA free. Portable Size: Designed for 12oz (350ml) capacity ). Diameter 8.6 cm (3.4 inches) and height 14.2 cm (5.6 inches). After folding, the height is only 6.3 cm (2.48 in). A small, lightweight coffee mug for travel. Heat resistance and durability: Temperature range from -58 to 392(-50 to 200), suitable for cold drinks, tea, coffee and other beverages. Eco-Friendly: This collapsible tea cup can be a fantastic office coffee mug, portable camping mug, and collapsible school mug for kids. It is durable and reusable, saving a lot of disposable waste. Silicone Collapsible Coffee Mug The collapsible cups are made of BPA-free food grade silicone, they are foldable to save space, reusable to save environment, elastic silicone is not flimsy like glass cups. Most importantly, during this period of time, using your own clean cup instead of those exposed to the public, is a key to keeping safe and hygienic, and helping you stay away from viruses and diseases. Features: Leak-proof lid Anti-scalding mouth to prevent leaks Smooth edges Thick silicone body, smooth and safe to use Heat Insulated Mug Sleeve Easy and Safe to Use - More Sturdy Structure Non-Slip Bottom Silicone food grade. Capacity: 350ml : Features: Materials: Food grade liquid silicone, plastic lips. Product dimensions: 8.6 cm in diameter and 14.2 cm in height. After folding, the height is only 6.3cm Capacity: 350ml. Temperature range: -50 to 200. Weight: 2 Pack - 230g Contents: 2 Food Grade Collapsible Cups User Guide Disinfect with boiling water before use. Does not contain corrosive liquids. Open the lid and keep it dry after use. Not for microwave use Uses: Picnic Hiking Travel School Camping Working from home