Main Features:HEALTHY & SAFE MATERIAL--Made of BPA FREE food-grade platinum silicone, FDA APPROVED to ensure safe drinking, non toxic and odorless. Suitable for water or drinks from -40°F (-40°C) to 446°F (230°C). ❤ We do not recommend using it for liquid which higher than 140°F (60°C) to avoid scalding your hand. FOLDABLE DESIGN & SPACE SAVER--Amerteer foldable water bottle can reserve 550ml liquid with only 198g in weight. It can be folded from 9.8 inch to 5.5 inch in height. Collapsible and lightweight design allows you save 50% space, portable and easier to storage. Great for kids, girls, boys, women, men. PERFECT FOR TRAVEL & SPORTS--The shatter-proof, flexible and durable collapsible silicone water bottle equipped with a aluminium alloy carabiner, you can hook it to backpack or gym bag, carry it everywhere. Ideal for travel, gym, bikes, running, camping, fishing, hiking, climbing, yoga, beach, outdoor sports. LEAK PROOF & EASY TO CLEAN--The travel water bottle designed with silicone seal ring to prevent leakage. Wide mouth design makes collapsible water bottles easier to clean the interior or add ice, lemons into it. ❤ When first use, we advise to soak it for 20 minutes with boiled water for thorough cleaning. 2 YEARS WARRANTY--We guarantee that all Amerteer sports water bottle are thoroughly tested and inspected before delivery. We provide 2 years after-sale guarantee. If you are not satisfied with the bottle for any reason, please feel free to contact us, we will reply promptly. Specifications: Capacity: 18.6 oz (550 ml) Size: Unfold : 2.75" × 2.75" × 9.4" Fold: 2.75" × 2.75" × 5.5" Product Weight: 198 g Package Weight: 230 g Durable Temperature: -40℃ - 230℃ Color: Black;Blue;Green;Orange How to Get Rid of the Rubber Smell?When you use it for the first time, the travel water bottle may has some rubber smell. We advise you to fill the bottle with hot water, and add some lemon slice or baking soda in the water, then soak it for 2 hours for thorough cleaning. After that, you can wash the bottle with clean water, and enjoy your favorite drinks. Package Included: 1 * Water Bottle 1 * Carabiner 1 * Packing Box Foldable for outdoor activities, traveling, camping and daily use. Easy to carry with portable carabiner;Won't slip in your hand while drinking from it. 100% leak-proof design to prevent annoying spills;Wide mouth lid makes cleaning easier