1Made of nylon polyester, which is waterproof and lightweight to take 2Fours colors are available, you can choose based on your favor 3With reasonable design, which makes you can wear in four ways, arm type, belt type, hanging button type and oblique straddle type 4Double-head zipper and earphone plug design, that will be safer and enjoyable when running 5Multifunctional, it can hold your phone, keys, money and other small portable items when you are doing sports Multifunctional arm bag can solve a lot of trouble to put things when you do outdoor sports. It is made of nylon polyester, which is waterproof and lightweight to take. Fours colors are available, you can choose based on your favor. With reasonable design, which makes you can wear in four ways, arm type, belt type, hanging button type and oblique straddle type. In a word, it has small body with big role. Features: Made of nylon polyester, which is waterproof and lightweight to take. Fours colors are available, you can choose based on your favor. With reasonable design, which makes you can wear in four ways, arm type, belt type, hanging button type and oblique straddle type. Double-head zipper and earphone plug design, that will be safer and enjoyable when running. Multifunctional, it can hold your phone,keys, money and other small portable items when you are doing sports. Attached with oblique hook ribbon, hook and loop, and exquisite buckle. Specifications: Material: Nylon + Polyester Color: Purple, Blue, Black, Peacock Blue (optional) Dimension: Approx. 17.5x 10.5cm / 6.9 x 4.1inch Weight: Approx.128-130g Package Included: 1 x Arm Bag 1 x Hook and Loop 1 x Buckle 1 xOblique Hanging Ribbon Please Note: 1. The bag is not completely waterproof as water can inflow through the zippers and stitches. 2. The shape of the buckle is random. 3. Please allow 1-3cm error due to manual measurement. Thanks for your understanding. 4. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please in kind prevail.