1 Food Grade Silicone Water Bottle: This collapsible water bottle is made of food-grade silicone material, which is safe, environmentally friendly, and BPA-free, ensuring safe drinking. It is recommended to drink cold drinks at 0C~-40C (can not be filled with boiled water). 2 Leak-proof and Collapsible: The silicone water bottle is designed with a sealed cap, which provides excellent leak-proof performance, no need to worry about scalding your hands due to water leakage. The collapsible design makes it easy to store in a backpack or bag without taking up too much space. 3 Portable and Durable: This travel water bottle is lightweight and compact, making it easy to carry and store. The soft silicone collapsible water bottle is drop-resistant, abrasion-resistant, and durable, ensuring you stay hydrated during your travels or activities and can be reused for a long time. 4 Wide Use: The lightweight and collapsible hook design make the silicone water bottle quick and easy to store. Great for travel, gym, cycling, running, camping, fishing, hiking, climbing, yoga, beach, and outdoor sports. 5 Adorable Gift Ideas: Create clever gift ideas for birthdays, holidays, Mother's Day, and Father's Day. 1* Kettle Product Name: Soft KettleColor: silver greyMaterial: PEVA, SiliconeCapacity: 450MLResistant temperature: 0C~-40C is recommended (can not hold boiling water)