PORTABLE & EASY SETTING UP- Small volume for convenient carrying and easy setting up with strong hooks it takes you few seconds to attach the bar rings to the swing set or ninja line. Perfect matching with other ninja course accessories monkey bars rope ladder cargo net swing wheels ninja fists etc. Best gifts for kids outdoor play jungle gyms. FRIENDLY TOY PRESENT- 7- Pack of Rainbow Colors especially designed for kids birthday gifts for outdoor parties for day in the park for kids outdoor toy on the playground or training equipment in the fitness class you always have a reason of having these monkey rings. Recommended for Ages 3+ Manufacturered by Rainbow Craft. AUTHORITY CERTIFICATION- CPC certified all of Rainbow Craft's ninja warrior obstacle course including ninja lines and ninja accessories consistent with the standards require children play. All materials of plastic polyester and metal parts are within the scope of children use. No matter as ninja indoor equipment or backyard outdoor play kids will enjoy ninja warrior fun securely. COMFORTABLE MADE- Plastic covered rings provide comfort experience for kids play on playground ninja warrior obstacle course. OUTDOOR FUN CHOICE- Best Choice of Gymnastics Rings for kids backyard ninja warrior obstacle course. With heavy duty of 260lbs kids 3yrs-12yrs take these durable ninja rings in safety as backyard training equipment for outdoor fun.