HEALTHY & SAFE TO USE - Our foldable water bottles is made of 100% food-grade silicone, BPA free and odorless material, ensure safe and reliable drinking. It is safe and hygienic, Children can also use it with confidence. LIGHTWEIGHT & SAVE OVER 60% SPACE - Hazovo 20 oz portable water bottle with strap, weighs only 0.4 lb. Unique collapsible design and flexible silicone, allows it can be folded from 8.20 to 4.30" in height, easily store this water bottle in your bag without taking up too much space. Help you to reduce the burden of luggage, allows you to hydrate your body at any time and anywhere. LEAK PROOF DESIGN - The travel water bottle with straw adopts thread sealed bottle cap, silicone sealing ring, eliminate leakage and splashing; Straw water stop valve plate and leakproof safety lock prevent the bottle from being accidentally opened. No more worries about the inconvenience caused by leakage. COLD AND HEAT RESISTANCE - This silicone water bottle can withstand temperatures ranging from -58°F (-50°) to 392°F (200°). With wear-resistant and anti-collision design, durable and longer service life than plastic and glass water bottles. Perfect for sports, gym, camping, hiking, school and travel. EASY TO CLEAN - The detachable wide-mouth lid makes cleaning easier and makes it convenient to add ice cubes or lemon slices. Before initial use, it is recommended to soak in boiling water and lemon for 20 minutes.