Wacces Exercise Fitness Gymnastic Rings Gymnastic rings work muscles in coordination for full training benefits Use rings for push-ups, iron cross, dips, pull-ups Advanced design allows additional stability and safety Easy to install and adjust 17-foot straps Materials tested to 1000-pound break strength Materials tested to 1000-pound break strength The extra-long, fully adjustable straps allow you to choose the perfect length for you level. Wacces Gymnastic rings are easy to install and quickly to adjust. Their portability makes them excellent for travelers. An easy to install design makes rings great for use in the gym or to build a personal strength training setup at home or in the park Advanced design allows additional stability and safety Inside diameter: 6.75&#034; Outside diameter: 9.06&#034; Ring thickness: 1.12&#034; Strap length: 17 ft Strap Width: 1.5&#034; Yellow, Red, Orange, Black Or a Wooden material.