The collapsible water bottle by 1st Heaven is a reusable 20 oz water bottle made of Bisphenol A (BPA) free polypropylene and silicone materials. It is designed for outdoor activities such as hiking, with a modern and environmentally friendly theme. The bottle features a leak-proof, lightweight, and compact design, making it ideal for travel and sports. With a sleek green color and a stylish round shape, this collapsible water bottle is perfect for youth and adult outdoor enthusiasts looking for a practical and sustainable hydration solution.