The Outdoor Elements 2L Bladder is a durable, high-capacity hydration system designed for outdoor activities like hiking, biking, and running. Made from BPA-free, food-safe materials, it provides ample hydration without adding bulk. The bladder features a bite valve for hands-free drinking and a wide opening for easy filling and cleaning. It also includes an antimicrobial finish to prevent bacterial growth. For added hygiene, it’s recommended to store the bladder in the freezer when not in use, keeping it fresh and mold-free. This bladder is the perfect solution for staying hydrated on long adventures. BPA and FDA approved bladder that produces no chemical taste while in use. The bladder features a large mouth for easy infusing of water and washing; it was built strong and sturdy enough to retain liquids without any leakage during high-intensity physical activities like biking, running, hiking, camping, kayaking, skiing, hunting, Climbing and so on.