Blue Sky Gear brings you the Collapsible FlexWare Mug that's made of heat resistant, flexible silicone and can withstand temperatures up to 300 F 149 C so it's perfect for hot or cold beverages. The affordable FlexWare Mug is easy to use, easy to store and has a rigid ABS rim and flip out handle. Bring it along so you'll have a blue sky adventure that's comfortable, safe, and fun! BPA free and dishwasher safe. Collapsible Mug, great for camping and all outdoor activities Great for hot or cold beverages Can withstand temperatures up to 300 F Dishwasher safe Easy to store folds flat when not in use BPA Free Material: flexible Silicone Size: 3x 3 x 3.5 in. 3 x 3 x 1 in. collapsed Weight: 1.8 oz. Volume: 8 fl oz.