SumacLife Neoprene Armband XL Size with Key Slot for Smartphones - Retail Packaging - Black Keeps your phone secure and out of the way. Lightweight neoprene keeps sweat and moisture wicked away. Adjustable Fastener strap to fit all arm sizes. Slot on side to fit a key. Keeps you from having to keep all your bulky keys with you! Fastener strap is prefect for wrapping excess headphone cord around Transparent front cover allows easy access to your screen and does not interfere with touch screen capabilities. Overall Length 18 in. Approximate Interior Dimensions: 6.35 in. x 3.4 in. Approximate Recommended Minimum Device Dimensions: 5.75 in. x 2.8 in.