1.[Water Bottle Pocket]: The mesh on the belt's water bottle can be detached to store water bottles or put away as needed. And there is a fixed strap for the water bottle to avoid shaking, you can exercise with peace of mind.2.[Ultra-thin Waist Bag]: Say goodbye to bloating, the side looks very close and it won't be that bulky and bloated. It fits snugly, the waistband can be adjusted in size and the button link is comfortable to wear. The waist can be adjusted freely. Keep it beautiful.3.[Water Resistant]: Water repellent material protects your phone and other valuables safely and dry from sweat and almost any weather conditions (not completely waterproof).4[Headphone Hole and Reflective Strip]: Designed to make it easier for you to enjoy music while you run, the reflective strip improves safety performance when running at night.