Uarter 2th Generation Collapsible Coffee Cup - We upgraded the maximum capacity to 450ml collapsible to 5.5 cm. With 200 grams weight, ultra portable and convenient to carry in lunchbox, backpack, pocket, car cup holder when camping or traveling.
Leak-Proof Travel Mug - We upgraded it to screw lip to prevent leaks. With drinking hole or air hole off, it is 100% spill-proof even shake or store in your backpack.
User Friendly Design - We give it a carry ring creatively and hot-resistant cup ring for comfortable grip when filled with hot liquid. And Build an air hole in the lip for easy drinking, open and collapsible. Enhanced cup up and bottom design to keep cup body sturdy and firm.
BPA-Free Rubber - We use food grade silicone to make this travel mug, BPA-free, reusable. Wash machine safe and -50℃~ 200 ℃ safe. (Please Do not heat in microwave oven.)