1.Steel 2.Enhance 's Fitness: This gymnastics bar allows children to exercise both indoors and outdoors, enhancing their athletic ability and muscle strength. 3.Have Great Fun: It can not only hang gym rings for children to exercise on, but also install swings (not included) for children to have endless fun and a happier childhood. 4. and Compact: This portable and compact gymnastics training bar is super easy to fold and carry, and can enjoy gymnastics training anytime/anywhere. When not in use, it can be quickly folded up to save space. 5.Heavy Loading: The thickened and strengthened steel pipe can withstand the weight of 176lbs for stillness, 88lbs for motion and is suitable for most children. 6.Selected Material: It is made of sturdy steel that is and durable for children and has a smooth powder coating to make it have good rust resistance and withstand the test of time. 7.Adjustable Height: 5 adjustable heights (45.2761'') of this gymnastics training bar make it ideal for your child's growing height. This durable gymnastic equipment will last for many years until your child reaches adulthood.