Leak Proof: Made out of high quality materials and a leak test is conducted on every product before delivery. Inflatable: Made from high quality multi-layer PVC material that will keep its shape and withstand your attacks! Simply deflate it when wanting to store. Thick Base: Thick and stable so that your kicks and punches won't knock it down. Punching Bag: Get an Inflatable Freestanding Punching Bag. Multi-Function: From keeping fit to reducing stress this punching bag is ideal for home work outs and just for fun. This unit rocks back and forth with every punch, ideal for kick boxing! Inflatable Punching Bag | Living Social | Living Social