Introducing the Nefeeko 17oz collapsible water bottle with carabiner, expandable when you need it and small when you don't. The perfect hydration companion when travelling, especially in a place like Europe where you can fill the bottle from local water fountains. Made from high quality silicone, this refillable water bottle is not only durable but also safe for everyday use. Food grade silicone + food grade PP, low carbon environmental protection, BPA free, non-toxic and tasteless, soft. Collapsible, easy to carry. Collapsible water bottle can withstand extreme temperature, it can be frozen and suitable for hot liquids. Temperature resistance: Silicone part:-40°C (-40°F) to 200°C (392°F) Plastic part: -20°C to 100°C How to use: When first used, soak in boiling water for 10 minutes to clean. After cleaning, store in a dry place and avoid direct sunlight. It is recommended to wash immediately after each use. Dishwasher safe. Flexible and travel-friendly design: Fold up after use to save 50% space in your bag or pocket. The reusable water bottle is equipped with an aluminium alloy buckle for easy attachment to backpacks or gym bags. Leak-proof & Spill-proof: The collapsible water bottle has a patented leakproof design with two sealing rings and a spout cap to prevent leaks and spills. The hard plastic anti-collapse ring ensures your bottle stays in shape and provides a comfortable grip, also preventing water from splashing in your face when gripping the bottle to drink. Care instructions for collapsible bottles: 1. When not in use, clean the product and store in a dry place out of direct sunlight. 2. Keep away from sharp objects to prevent damage. Please replace it in time after piercing. 3. Do not place near a source of high temperature. 4. We do not recommend using it in liquids above 70°C (158°F) to avoid hot hands. Multi Purpose Use: Suitable for a variety of activities, this water bottle is great for your gym routines, daily workouts, office hydration needs and outdoor adventures such as camping, fishing, hiking, mountain climbing or yoga sessions. A variety of colours to choose from: Black, Blue, Yellow, Orange.The distinctive colour makes these reusable water bottles suitable for most ages, this item combines functionality and aesthetics, making it a nice travel or everyday accessory.