nylon, plastic, iron; Hanging gymnastic rings indoor--fitness rings are made from stable performance materials that, solid, and durable, gymnastics rings; Pull up rings for play pen--take your new rings with you wherever you go, the gym, your home, hotel, and even the park, gym; Gymnasitc rings--these movements relaxed your muscle and enhanced your strength and coordination with the workout rings, pull up for; Gymnastics equipment for home--professional fitness ring, suitable for gymnastics training, pull up ring for bar; Ring game--the gymnastics rings are made of materials, smoother surface brings excellent grip without, gymnastic hanging rings

What's in the box
4 x Rhythmic Equipment