TrakPak Running Belt and Fanny Waist Pack and Travel Belt Water Resistant with Earphone Holes and 360 Degree Reflective Strip Adjustable from 27-36.5 Inches PROTECTION: weather resistant neoprene material keeps items safe and dry during workouts and travel SPACIOUS: 7.5x4 inch large and 5.5x4 inch small pouch stores phone, ID, keys, waste bags, and more FITS MOST WAIST SIZES: belt will not weaken with use and fits waists from 27-36.5 inches BOUNCE FREE: fits comfortably flat against waist and won't bounce or shift during physical activity SAFETY FEATURE: 360 degree reflective strip keeps you visible from all directions in low light