Made of high quality and safe PE material, sturdy and durable. The child sits on the red ball while holding the trapeze bar to help maintain balance. Unique design of our buoy ball swings set can train kids hand and foot coordination ability. Great for garden, playground, kids room accessories; a perfect way to get kids out of the house and outside playing. Note:that after the balloon is inflated, the diameter cannot exceed Specification: Material:PE+Nylon Size Chart: Rope length:Appeox.140cm/55inch Package Includes: 1 Piece ball swing seat with rope Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Due to manual measurement, there may be 1-2cm error in size.