Safe Material: Made of food-grade TPU material, 100% BPA and PVC free. Safe and healthy materials, no odor, lightweight hydration water bottle is very suitable for outdoor activities. Multiple Storage Compartment: Built-in zipper pocket can accommodate mobile phone (up to 5.5 inches), keys, cash or other items. Provide enough storage space. Adjustable: The adjustable hand strap enables grip free running and Keep hands relaxed with adjustable hand strap and thumbhole. Reflective trim lets you stay safe while being seen in low light conditions when running at night Multi-Function: The adjustable hand-held hydration pack and 500ML handheld sports soft flask, suitable for all hand shapes and bring you a comfortable feeling. The soft water bottle can be taken out for easy cleaning Multipurpose: The handhold bag is also designed to carry the items include your phones, cards, keys, etc. The handheld sport case is perfect for marathon, running, hiking, cycling, climbing, gym, walking and other daily sporting.