【Use safe silicon】The water bottle is BPA free and odorless, made of BPA-free food-grade organic silicone, passed LFGB, SGS and as obtained FDA certification, to ensure safe drinking, no PVC, latex, phthalate and plastic smell, etc. odor. It is safe and hygienic, because it uses a food-grade liquid silicone bottle and a food-grade plastic cap,children can also use it with confidence. 【LEAK-PROOF AND EASY-TO-CLEAN】The patented sealing screw cap is used to eliminate leakage and splashing and effectively prevent the bottle from accidentally opening. The wide-mouth design makes it easier to clean the inside of the collapsible soft water container or add ice or lemon to it. When using for the first time, it is recommended to soak in boiling water for 10 minutes for thorough cleaning. 【Cold and heat resistance】This product 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. Even if you put it in a backpack or computer bag, it will not leak. 【Lightweight and convenient】The 20oz(600mL) portable silicone bottle is a foldable type. It takes advantage of the characteristics of soft silicone and can be folded compactly after drinking, making it easy to carry. Allows you to hydrate your body at any time and any where. 【Very suitable for outdoor sports】It is also suitable for camping and picnics, mountain climbing and hiking, beaches, festivals, travel, hiking, outdoor recreation (such as running and transit) and other travel, fishing, fitness, gym, cycling, etc. It can be used not only for traveling and camping but also for daily sports.tc. Product parameters Capacity:600ml(20.2oz) Weight:135g Materials:PP,food-grade silica gel Color:Green+Grey Body Size:22cm bottle body,2.5cm bottle cap,7cm cup diameter Product Size: 2.76*2.76* 9.65 inch (7*7*24.5cm Unfold); 2.76*2.76*1.97inch (7*7*5cm Fold) Packing size:3.15*3.15*2.76inch(8*8*7cm) Duration:3 years or above Occasion:daily,traveling,hiking,camping,motion,cold/hot water filling Step:open the cap first,then fully open as a bottle,once bottle is empty,collase and recap for easy travel or storage. Features:100% BPA Free,Lightweight,LFGB Certified Silicone,Leak Proof Guaranteed, Protable,Collapsible Durable Temperature: -50°C - 200°C Package Included: 1 * Combo Water Bottle ; 2 * Packing Box