Product Color: Black, Material: Iron+ABS+Polyester Package Contents: 4*Children's Ring Quality control level. This gymnastics ring is designed for children over 6 years old and has a recommended maximum weight of 120kg. 2. PERFECT TRAINING COURSE: This kids gymnastics ring can be considered as a great replacement accessory for sports equipment. This way you can add or change these replacement parts for your ninja class/slack line. Great for using bodyweight training to develop overall upper body strength and coordination. 3. Installable and removable: The installation process is very simple, just fix the clip on the ninja court or swing. It can be disassembled without taking too much time. All this without taking 10 seconds. 4. Striking Colors: These bold colors will grab the attention of kids during outdoor training or sports activities. It will also provide children with a comfortable experience while playing. 5. Widely used: The package includes 4 swing gymnastics rings. Use as gymnastics ring, ring pole, ninja ring, monkey ring, monkey pole ring, obstacle course ring, climbing ring and other outdoor games for kids. You can play it in the backyard, playground, outdoor, indoor, home gym, swimming pool, fitness class, party, camping trip, beach, park and anywhere. It will also provide children with a comfortable experience while playing. 5. Widely used: The package includes 4 swing gymnastics rings. Use as gymnastics ring, ring pole, ninja ring, monkey ring, monkey pole ring, obstacle course ring, climbing ring and other outdoor games for kids. You can play it in the backyard, playground, outdoor, indoor, home gym, swimming pool, fitness class, party, camping trip, beach, park and anywhere. It will also provide children with a comfortable experience while playing. 5. Widely used: The package includes 4 swing gymnastics rings. Use as gymnastics ring, ring pole, ninja ring, monkey ring, monkey pole ring, obstacle course ring, climbing ring and other outdoor games for kids. You can play it in the backyard, playground, outdoor, indoor, home gym, swimming pool, fitness class, party, camping trip, beach, park and anywhere.