Leak-Proof and Easy-to-Clean�:�The collapsible water bottle uses unique patented sealing screw cap is used to eliminate leakage and splashing and effectively prevent the bottle from accidentally opening when you put it into backpack or handbag. Wide-mouth design makes it easier to clean the inside of the collapsible bottle container. you can choose add ice or lemon to bottle. When using for the first time, it is recommended to soak in boiling water for 10 minutes for thorough cleaning.

Hot and Cold Resistance�:�This collapsible water bottle has excellent heat resistance and can withstand temperatures from -50 to 200�C. It has leak-proof and impact-resistant properties and is very suitable for all activities and sports. Even if it is squeezed or pushed, it will be tightly sealed. We do not recommend using it in liquids higher than 158�F (70�C) to avoid hot hands.

Healthy and Safe Silicon�:�New Version travel water bottle made of BPA-free food-grade silicone and a food-grade plastic cap, BPA-free and odorless, Non Toxic, Strong heat resistance and cold resistance. Water bottle ensure safe and hygienic, you can use it in your daily life, Durable 3-ply material built to last offer a much green way to environment matters.

Lightweight and Collapsible Water Bottle�:�This 21oz bottle collapses down to min size. Foldable water bottle can reserve 610ml liquid with less 150g in weight, con