Inside Screw design to improve our drinking feeling. It's leak proof,you can use carabiner to belong your backbag or put it in side pocket. We accept your color,logo and packing design.
Pure green biodegradable material, unlimited use of renewable raw materials, non-plastic cup, environment friendly products. Green life, and new concept of modern life. Durable products can be used for years. Safe which passed EU and US standard.