Walking is the most popular exercise in the country!Kit includes pedometer with button battery and 16 oz. water bottle (water bottle is BPA-free; decoration of bottle not available) Multi-function pedometer features calorie counter, step counter and distance traveled in miles/kilometers. Earphone exit for MP3 player. Features reflective piping and webbing for safety. Design allows it to be worn across body or around waist(strap length: 39). Materials: 600D Polyester.Colors shown are computer simulations of material colors.