PORTABLE DESIGN: Collapsible Silicone Water Bottle with a hand ring for you to carry around. SAFE&ECO-FRIENDLY MATERIALS:Water Bottles are made of 100% food-grade silicone,LFGB,SGS approved,free of BPA and other harmful leaching chemicals. VERSATILE:Not only for travel, but for everyday activities such as hiking, camping,commuting,exercise,road trips,outdoor events,and school. ROLLABLE&PACKABLE:Collapsible Silicone allow the bottle can easily be rolled up and squashed down when space is tight. 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. Multi-occasion use: For outdoor sports such as hiking,biking,running,the lightweight & collapsible design allows you to exercise outdoors without having to make room for it in your backpack like regular water bottle needs.It even can be fit in in your Pants pockets. This bottle is all you need to keep you hydrated while on-the-go, portable and the right size for you to hold your drinkable water for the day.Perfect choice for travelers who often catch flights. For commuting students and office workers, you can also take it to the office,or the classroom.Because it has a stylish design, very refreshing colors for you to choose. Collapsible water bottle adopts food-grade silicone, which is durable and reusable. It is not only the healthier choice for you and your family, but can also significantly help to protect this beautiful planet.