ITEM NAME:Pilates Ring Circle Resistance Exercise Workout Fitness GYM Yoga Ring Dual A1T2 Pilates Ring Circle Resistance Exercise Workout Fitness GYM Yoga Ring Dual A1T2 Durable and practical. Essential tool for Pilates. Very suitable for anyone who wanna keep fit Add intensity to floor exercises to build body muscles Very convenient,you can do Pilates at home when you are not busy Very useful for the inner and outer thighs, upper arms, and the chest and even the pelvic muscles Material: FRP, Foam Package include: 1 x Pilates Ring Color: gray Diameter: 36CM / 14.17 inch Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.The measurement allowed error is +/-1-3 cm.