Power Systems Pro Waist Belt Cinch Strap with D-Ring, Accessory for Bungee Cords, Fits Waists Up To 44 Inches, Black/White (21572) Nylon with neoprene Padding 4 1/2 inch tall belt fits up to 44 inch waist Nylon with neoprene padding Steel D-ring for bungee attachment Bungee sold separately Excellent exercise training accessory for speed, agility, strength, power, running, football, basketball, baseball, soccer and all other athletic or fitness training