HO RAD 3ft Tube Other DURABLE DROP STITCH CONSTRUCTION - Drop Stitch is a pretty amazing material we're using to create the RADs, FADs and PADs. This material allows us to build inflatable items that can be inflated to optimum rigidity while delivering the most durable inflatable's we've ever offered. This innovative material is called Drop Stitch Technology and is achieved by joining two pieces of support fabric together with thousands of fine polyester thread lengths MACHINED EVA TRACTION PAD FOR UNSURPASSED FOOT GRIP KNEEL, LAY, STAND, OR SIT - MULTIPLE RIDING OPTION RAD SPECIFIC PUMP INCLUDED CAPABLE OF HOLDING UP TO 20 PSI