Features: brand new and high quality High-quality Materials: Made by high-quality polyester, ABS plastic ring with rubber coating,non-toxic and eco-friendly, which is durable, strong strength, safe enough for kids to for play. Speciality Design Equipment: Design with adjustable strap, the rubber coating rings with anti-slip function to make sure your hands can hold tight without fall off, which is popular for kids & adults, and suitable for outdoor games, training of obstacle courses. Applicable for Various Circumstance: To meet different requirements, applicable for various circumstances such as fitness training, outdoor activities, family games or indoor strength training etc. East to Assemble: Package includes the buckles which can be easily safely assemble on the treehouses or slacklines and easy to be removed if any different purposes, the metal buckle assure the safety during exercise. Best Gift for Kids & Adults: Suitable for kids or adults as birthday gifts, Christmas gifts, and also the best choice outdoor game equipment for family members or training classes. Specifications: Ring Size: approx. 12 x 9 for cm/4.72 x 3.54 inch Material: Polyester, Rubber Color: As pictures shown Net Weight: approx. 305g/0.67 lbs Note: Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 Set Gymnastic Swing Ring ( 2 x Gymnastic Ring, 2x Adjustable Buckle & Straps)