WATERFLY Fanny Pack with Water Bottle Holder Unisex Hiking Waist Packs for Walking Running Lumbar Pack fit for iPhone iPod Samsung Phones Nylon TIPS:Bottles not included. Made of Nylon, high-grade PV valentine breathable pads, high quality and durable, better ventilation not easy to deformation; It Can strengthen the reflective intensity in the night, have the effect of safety warning. Portable hand carry design, large bearing capacity, ribbon durability can be at ease use, Super versatile and multi-functional pack that has a main compartment and outer pockets. Adjustable waist belt size rank: 22''~52''. Fully Adjustable Strap, unique design straps ease the pressure on the Waist. WATERFLY waist bag is ideal for various activities such as Jogging, Walking, Cycling, Hiking, Holidays, and so much more. Waist bag design on both sides have a gauze pocket side bunker Portable water, beverages, food, books, such as mobile phones. Wear resistant nylon material 2 Stable water bottle holders Breathable multihole back pad Adjustable waist belt fits for most waistline Removable shoulder strap allows it to be used as a waist bag, sling bag or crossbody pack 3 separate zipper pockets, the largest pocket can hold 7.9 iPad mini easily Several interior small compartments are ideal for small items Front zipper pocket is perfect for phone screen size  6.0 2 water bottle holders can hold umbrella as well The water bottle holders are durable and stable enough to hold 2 water bottles with diameter of 2.7 With poriferous back pad and special radian, the waist belt is effectively pressure relief and breathable for sports Adjustable waist belt can be hided in the back pad and makes it a sling bag or crossbody bag, while removable shoulder strap allows it to be a waist bag easily