The height ： About 48 inch tall,Column diameter 23 inch .(Suitable for both kids and adults) Material: It is made of 0.3mm thickened high-quality PVC material, and can be winterized about minus 15 degrees in winter,it's light weight and durable; Leak test： All products have to go through a 24-hour inflatable test before leaving the factory； No space restrictions Convenient inflatable boxing bag, you can take it outdoors for exercise or play with your children at home at any time; The package:Colorful box packaging with beautiful pattern design. 1 * kids punching bag Operation Instructions: Open the white lid at the bottom and fill it with water or sand.It is recommended that the amount of water above 5L，If you want the base to look fuller refill the bottom with an air pump； Use a pump to hit the middle nozzle; Fill the trunk with mouth or air pump