Colorful: Several colors for kids' option. To make your playground equipment looks colorful. Durable: Heavy duty 120kg maximum load gymnastics rings. Manufacturered by Owlhouse. Easy to Setup: Gym rings can be installed inside and outside and are weatherproof and is ready to be installed at your ninja line backyard obstacle course. Comfortable: Plastic coverd rings provide comfort experience for kids when play in the swing sets. Adjustable: Can be addition or replacement part for your family swing set. Kids will love this swing bar rings addition to their outdoor playground playset.