Fits waist size adjustable strap. Used as a waist pack (wear it in front of your waist), suitable for men, women and teens. Made of quality polyester, providing long-term durability. The main pocket is roomy enough to hold smartphones, credit card, power bank and sunglasses. Durable metal zipper pull is durable to ensure users to have quick access to the items and expandable zippered stretch pocket keeps essentials from falling. Perfect for all forms of exercise including dog walking, cycling, running, hiking, skiing and golf. 8 1/16" L x 3 15/16" W x 3/8" H