Made from lightweight and durable Lycra material. Features reflective zipper trim and an earbud slot that provides added convenience. The adjustable comfort stretch belt has an approximate span of 26"-60" which fastens securely via a side release buckle. The separate interior key pocket protects your smart phone screen from dings and scratches during activities. Complies with CCPSA, Prop 65. 10 1/2" W x 4 1/2" H x 1/8" Thick