MATERIALS: Our collapsible water bottles made of food grade liquid silicone,safe,heat-resistant,non-toxic,non-sticky,odorless.Withstand a wide range of temperatures from -50 to 200.LFGB,SGS approved,free of BPA and other harmful leaching chemicals. COMFORTABLE FEEL: Frosted feels,beautiful,easy to fold,small size,convenient to carry.It's the best choice for travel,sports,outing,sailing,surfing and other outdoor sports LEAK PROOF,and enjoy the perfect after-sales service" SIZE AND VOLUME: Our collapsible water bottles capacity is 20oz /600ml, Before folding height is 7.6in/19.4cm(size7.6 * 3.2 * 2in). After folding the Height only 2.7in/6.9cm(size2.7 * 1.5 * 4.3in), 0.23 lb,High quality bottles,provide you enough wateror milk.You can enjoy hot or cold beverage. LEAKPROOF:The rotatable cap design securely seal for travel and storage of water,milk,etc,prevents the bottle from accidentally openingThe bottle itself is tightly sealed and will not leak either. MULTIFUNCTIONAL: This hiking water bottle is not only suitable for your travel, hiking, camping, sports, road trip and other outdoor activities, but also very suitable for daily activities, school.Not only for travel, but for everyday activities suchas hiking,camping,commuting,exercise,road trips,outdoor events,and school. Product description Color: Gray Capacity: 20oz / 600ML Weight: 0.23lb Folded size: 2.7 * 1.5 * 4.3in /6.8*3.8*11cm Unfolded size: 7.6 * 3.2 * 2in /19*8.1*5 cm Package Includes:1*collapsible water bottles Our silicone collapsible water bottles. They're made with lightweight, flexible safe and hygienic silicone that allow you to fold, flatten, or twist them down to become compact enough to fit easily into your bag and then expand again when its time tofill up. Notes: Silicone itself is non-toxic and tasteless, but after several rounds of production process to become a silicone collapsible water bottle, the odor will adhere to bottle, because the odor is not the product itself, so this odor can be eliminated. You cantry the following methods: 1.Exposing the collapsible water bottle to air for 2-3 days, the taste will fade drift away . 2.Mixed brine with a small amount of vinegar,soak the collapsible water bottle for 10 minutes or more. This is the most effective way to remove the odor of silicone. 3.Put the proper quantities of orange peel or lemon peel into water to boil, then pour the water into the bottle and let it stand for 8 hours. Our Collapsible Water Bottle is dishwasher safe and should be placed in the top rack. For maximum freshness, we also recommend a periodic 24-hour soak of fresh cut lemons with filtered water. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia