专业登山水袋、运动水袋，特殊冰袋/水袋拉链
Professional mountaineering water bag, sports water bag, special ice bag / water bag zipper
产品特性：天然抗菌抑菌，耐折弯、防水锤、耐水解等，密封性非常好
Product features: natural antibacterial bending resistance, waterproof hammer, hydrolysis resistance, Very good sealing etc.
