Expertly designed for maximum performance and durability, the OUZEY Survival Water Filter Straw is made with high-quality materials such as ABS, TPR, and silicone, ensuring a compact, lightweight design that weighs only 120g for easy portability. No need to worry about harmful chemicals - this straw is scientifically proven to remove them all. Measuring at 14*3.7cm, it is a must-have for all outdoor expeditions.