Paladineer Superior Water Resistant Running Pocket (Dual Pocket) Magical High Elastic Waterproof Running Belts/Runners Belt/Waistline Package/Running Belt/Waist Pack Runner Belt/ Waist Pack Belt/Sport Running Waist Bag/ Runners Belt Waist Pouch B Polyester(Lycra) fabric for moisture wicking, stretch, quick drying, and softness against your skin. High density elastic cord, more elastic and steady, work with any size waistline. Fully adjustable to accommodate waists of 24 to 42 inches. Large capacity pocket, which can store ID Card, Mobile Phone, Keys, Changes, Snacks,etc. Waist Pack protects items during workouts, cycling, hiking, walking, running, riding bikes, fitness, sports, leisure and travel activities. Water Resistant - Prevents most rain and sweat from entering the two pockets to help keep your valuables dry.