Premium Material: These gymnastics rings are made of PP polyester nylon material, sturdy, weight capacity is up to 300kg.Anti Slip: Gym rings with non slip handle, comfortable to grip. They are great tools to do exercises like push ups, yoga, stretch the body.Adjustable Strap: The adjustable straps are long enough to hang and you can adjust the rings height freely as you need.Versatile Uses: The gymnastics ring can be used practically anywhere, such as at home, gym, hotel, or park.Easy to Install and Use: Attach the gymnastic ring to the strap, and the strap through the buckle, and adjust rings to the same height. Specification: Material: PP Polyester Size Chart: 42cm-50cm/16.54inch-19.69inch Package Includes: 2 Gymnastics Rings2 Webbing2 Buckles Note: Please allow slightly errors 1-2cm differences due to manual measurement.