Natural Birch-Professional And DurableThese Gymnastic Rings Are Made Of Natural Birch. Birch Rings Are More Durable, Safer And More Professional Than Pc Or Abs Plastic Rings. Sturdy Birch Rings Can Withstand 250Kg Of Weight Without Fear Of It Breaking, And Provide Excellent Grip And A Comfortable Grip, So Your Palms WonT Slip When You Sweat. Belt Adjustable NylonThe Nylon Belt Is Woven From High Quality Nylon Material, Which Is Strong And Durable. The Nylon Belt Is 450Cm/177Inch Long And 2.5Cm/0.99Inch Wide. According To Your Needs, The Buckle Can Be Used To Adjust The Length Of The Nylon Belt, Making The Movement More Flexible And Easier. The Nylon Belt Buckle System Is Very Strong And Will Never Slip Under Load. Additional Anti-Slip Hand StrapThe 28Mm Ring Is Ergonomic And Easier To Grip Than The 32Mm Ring . Equipped With A Non-Slip Hand Strap, It Has The Characteristics Of Sweat Absorption, Non-Slip And Comfortable, Which Increases The Friction Between Your Hand And The Ring And Improves Safety During Exercise. The Tape With Double-Sided And The Black Sticker Ensure That The Hand Strap Will Not Easily Fall Off The Buckle. Quick InstallationThe Gymnastic Ring Is Easy To Install And You Can Complete The Configuration, Setup And Use In Less Than 5 Minutes. Just Hang On The Beam, Pole And Tree Trunk, Slide The Belt Under The Buckle, Then Adjust The Two Nylon Belts To The Same Height, You Can Start Your Training Immediately. No Need To Worry About Tedious Steps. Exercise Anytime And Anywhere Amazing Training EffectGymnastics Rings Are An Interesting Sports Challenge. They Work All Muscle Groups And Improve Coordination, Stability And Strength. You Can Enjoy Push-Ups, Pull-Ups, Boating, Aerial Yoga And More. Gymnastic Rings Training Exercises Your Body Control And Core Tension With Every Movement, Helping You Achieve Powerful Results Fast.