1Strength Exercise: Gymnastics rings are good exercise tools that can exercise children's strength and coordination, effectively improve their stability. 2Promote Bone Develop: Pull up rings can enhance physical fitness and promote children's bone development, which is suitable for children use. 3Length Adjust: Children gymnastic strap length can be adjusted freely according to different heights and using environment, convenient to use. 4Widely Use: Children exercise gymnastic rings are suitable for all kinds of sports, such as push ups, pull ups, gymnastics, yoga, and other training. 5PP Nylon Ribbon: Children exercise pull up rings are made of PP material, with nylon ribbon straps, which is strong and durable for long time use. Specification Item Type: Kids Pull Up Rings Material: PP, nylon ribbon Use: Pull up rings and the shoulder straps are very strong, perfect for building muscles, core strength, improve stability and coordination. You can exercise without fear. Package List 2 x Rings 2 x Ribbon Strap 2 x Hand Tape