Made from lightweight and durable Lycra material. Features a water resistant zipper surrounded by reflective trim. The adjustable comfort stretch belt has a approximate span of 26 inches to 60 inches which fastens securely via a side release buckle. The earbud slot provides added convenience. The separate interior key pocket protects your smart phone screen from dings and scratches during activites.Item Size: 10 1/2 x 4 1/2 x 1/8Imprint Area: 3 1/2 W x 2 H