STAY HYDRATED WHILE YOU RUN - Includes two 10oz/300mL bottles with push-pull caps for easy access to hydration and nutrition during your run. Easy-squeeze bottle with leak-proof and soft-sip. BPA and PVC Free. COMFORT - Adjustable waist pack stays snug, doesn't bounce, shift, chafe, or rub so you can stay focused and comfortable. Ergo-shaped, soft belt with multi-directional stretch. HOLSTERS - Secures your bottle for one-handed hydration. Easy access holders. Includes 2 bottles to keep your water and electrolytes separate for example. BOUNCE FREE - Ultra-lightweight bounce-free design stays comfortably in place. One Size Fits Most Adjustable Fit Belt (26” – 44” / 66 – 112 cm). Reflective trims for greater visibility FITS LARGE PHONES – iPhone, Samsung, Galaxy, LG and more – fanny pack style can hold car keys, ID's and more to keep your hands free while running and hiking