Makino Men's / Women's Multifunctional Waterproof Waist Pack with Water Bottle Holder for Running Hiking Cycling Camping Travel 5541 Material: water-repellent and tear-resistant Nylon Fashion, multi-function and practical design, comfortable to wear. Durable waist belt, with webbing keepers, adjusts to fit waist sizes 18 to 55-Inch. Reflective accent piping provides added safety at night Perfect for carrying your water bottle, cell phone, keys, MP3 and personal small stuffs when you are cycling, running hiking climbing or anyother outdoor sports Water-repellent and tear-resistant nylon material, the W-Proof professional durable water-resistant fabric, breathable, quick-drying, water seepage prevention The back padding made of durable open-cell foam with lumbar pad and molded channels provides maximum comfort and allows airflow which weakens body moisture and provides superior comfort Banister brush wash / hang dry suggested, water temperature no more than 40 C