The Polar M200 Changeable Wristband lets you take your M200 GPS running watch with its wrist-based heart rate monitor, and personalise it. Simply remove your M200 watch from its strap and replace the strap with one of these five stunning colours to reflect your character, mood, clothes or environment. The wristbands come in a choice of size: S/M or M/L and a selection of five amazing colours: black, blue, red, white, yellow.