✓Satisfaction :Recommended for Ages 12+.If you are dissatisfied for any reason, return your order within 30-Days for full refund, we will always go above and beyond to ensure you are happy with your customer experience with Dolibest.US Patent Pending. All Rights Reserved. ✓Multiple Exercises : Engage your muscles and core with exercises such as pull ups, push ups, dips, rows, muscle ups, chest flies and so on for a functional and varied free range of movement. Treat pains in the cervical vertebra and hunch back. ✓Package Included: 2 gymnastic rings with 41.7 inch Adjustable Strap (28.3-41.7 inch) no-slip plastic Gymnastic rings reduce slippage associated with sweaty hands,1000 lbs rated heavy duty. ✓High quality: All our accessories are made of stainless steel 304 material and high-quality soft plastic, with durable non-slip texture grip, the rope is made of polyester material, ultraStrong and ultra light. Our materials are non-toxic and odorless, so you can use them with confidence. ✓Unique design: The inner part of our gymnastic ring is made of stainless steel, which is stronger to use. The outer part is made of soft rubber, which has anti-cocoon function and anti-slip effect. The rope has an adjustable clasp permanent antirust.