Features: Material: diving material Color: Black, Red, Orange (optional) Number of yards: S, M (optional) Uses: outdoor sport mobile phone arm bag Applicable arm circumference: 21cm-30cm (adjustable) Product Size: S :18 x 12 x 2.5cm, Length: 31cm M:16.5x10cmx2.5cm, Length: 31cm The Big pockets loaded ：mobile phone,key, credit card, tissue or other small gadgets. -Enable you to enjoy music freely in various motions when you are exercising. -Adjustable Buckle lets you adjust your arm band for maximum comfort. —Durable and lightweight arm band will keep your smartphone safe and protected. Packing List: 1 x Sport Mobile Phone Arm Bag Compatible with: #PaintedCases #leathercase #flipcase #walletcase 100% Ready Stock Trusted Seller Fast Shipping & Delivery Lowest Price in Shopee Good Customer Service