-Spring-action standing punching bag height can be adjusted from 32" to 48.5" -Boxing gloves with soft filler. -Stand base can be filled with water or sand to enhance stability. -The spring-action standing punching bag can be adjusted to best suit your child's height. -Boxing gloves filled with soft upholstery provides more safety for children. -Durable strong material for long time use. -Improving your kid's interest and helping them to exercise. -Easy to clean. Strengthen Your Body - Let's punching! It is conducive to good health! Prepare a punching set for your beloved children to exercise their sensibility and flexibility. Hand-eye coordination can be well-achieved then! Adjustable Height of Spring-action Standing Punching Bag - Your children can easily adjust the high from 35.4" to 51.2" which is so convenient to use for a long period of time and it is a great partner to accompany them growing older and stronger. Durable Material for Long Time Use - Made from PE + PVC Leather + Iron this punching set is damp proofing anti-collision rust-resistant. Once it get dirty you can use a piece of wet rag to keep it clean always.Boxing Gloves with soft filler is also included. Stable Stand Base - It can be filled with water or sand for the enhancement of firmness. It can be set no matter indoors or outdoors. Take Fun with You Everywhere - Whether you are on a weekend trip or on holidays Costzon boxing set can easily follow you. Deflate the boxing ball to carry and inflate it in a breeze!