Lonsdale fitness strike bag thelonsdale fitness strike bag is a great all round boxing training aid it is quick and simple to assemble and inflate allowing you to use it practically anywhere it features a heavy duty base which can be filled with water or sand to weight it down down and when fully inflated it stands at approximately 63 fit strike bag easy to assemble and inflate base to be filled with water or sand fully inflated height 63 a great selection of punch bags