The box set is suitable for children over 3 years. They can use it to strengthen muscles, improve their self-confidence and promote hand-eye coordination, as well as strength and flexibility. The box set is adjustable in a range of 81cm-117cm, so you can adjust it according to your personal preferences. The installation is very simple. The punching training set with boxing gloves and pump is made of PE, PVC leather and iron of high quality. You also don't have to worry about your children getting hurt during exercise. The box set is a great gift for your children! BulletPoint: Large Base with Water or Sand for High Stability-The base of the box set can be filled with water or sand, which makes the base stable, so it will not simply fall over. The diameter of the base is 44cm, which makes it so large that you can pour as much water and sand into it as possible, which provides greater stability.Height Adjustable- The box set is adjustable from 81cm-117cm. You can adjust the height of the box set according to the size of your children. In general, the product is suitable for children and adolescents over 3 years of age. If you have two or more children, just adjust the height to adjust it to them.Easy to Install and Carry and Child Friendly-The installation of this box set is very simple. You only need to use the pump to inflate the box ball. The set weighs only 2 kg, so you can also take it with you on holiday. Because of the inflatable design, your child won't hurt themselves when they exercise.Good Equipment for Training- With the box set, your children can strengthen muscles and self-confidence and improve hand-eye coordination, as well as strength and flexibility. The box set is a great gift for your children to help them maintain both physical and mental health.High Quality and Environmentally Friendly Material - The box set is made of PE, PVC leather and iron of good quality, which is why it is durable and can be used for a longer period of time. Because this material is environmentally friendly, it also does not harm the health of your children and nature. Features: Adjustable at a height of 81cm-117cmSuitable for children over 3 yearsIncludes pump with needle, boxing gloves, baseEasy to assemble, carry and store, space savingEco-friendly PE, PVC leather and iron, harmless, durable and durableLarge base with sand or water for high stabilityStrengthens muscles, promotes hand-eye coordination, as well as strength and flexibility Specifications: Color: Black and RedMaterial: PE, PVC Leather, IronDimensions: 44cm x 44cm x 117cm (L x W x H)Adjustable Height: 81cm-117cmDiameter of the Base: 44cm Maximum ball diameter：23cmNet Weight: 2kg