MALLCROWN Armband,Sports Running Exercise Gym Sportband,Key Holder & Card Slot, Water Resistant, Sweat-proof Dual Arm-Size Slot key with Headphone Ports Pocket Armband (Pink) Lightweight armband keeps your iPhone secure and protected. Safety:the reflective strip circled around the sreen window, unnoticeable safety strip keeps you noticeable when running in low light scenary Material: Lightweight soft neoprene layer that is molded to twist and bend but will not stretch out of shape. Adjustable from 8.8 inches up to 12.2 inches. Washable with gentle soap and water, then air dry. Can keep sweat away from your phone. Removable & Adjustable Strap: Simple, Easy and Universal- Adjustable strap allows for quick and secure wrap to different arm/wrist sizes (9"-17") Built-in Hidden Key Holder, Perfect For Car and House Keys! Never Worry About Having To Carry Your Keys In Your Pocket Or Losing Them At The Gym. The Sportband is Washable with gentle soap and water, then just air dry.