Specification: Material: Latex Tube + Nylon.     Size: M: 6 x 10 x 2m.  L: 5 x 10 x 3m.  XL: 6 x 10 x 3m.  2XL:  5 x 10 x 4m.  3XL: 6 x 10 x 4m.  Color: Green.     Features: Swim Tether Stationary Swimming: swimming tempo trainers, stationary swim belt, endless rope resistance trainer. Waist belt is wrapped with Thickened widened foam, which brings you comfort.Features a waist belt that fits 55 -105cm / 21.6 - 41.4inch waist.  Swimming Pool Equipment: swim belts for kids, pool workout equipment, pool exercise equipment, pool equipment storage. The adjustable nylon belt is for attached to an elastic tether which you can fasten on the pool's ladder or any other fixed place.  Weight Harness: static swimming belt, progressive swim exercise, aqua jogger belt, level 1 swim exercise, No tools are required and no changes to your home pool or yard. Designed to adapt to in-ground and above-ground pools, outdoor and indoor pools, Effective low-impact workout for swimmers of all ages and proficiency levels.     Package included: 1 x Swimming Resistance Bands.  1 x Belt.  1 x Tether.  1 x Storage Bag.     Note: The color of this product is green