Our best selling Versa Loops in a size better suited for upper body exercises or use on recumbent bikes. Versa Loops are perfect for personal training and for use in fitness clubs and home gyms. Six resistance levels for any user, whether you are an experienced athlete or just beginning fitness training. Ideal for short, limited arm movements. Fits comfortably around the wrist or forearms. Kit containing one of each resistance available, or single resistances sold in packs of 10. Standard?Versa Loop?diameter is 12".