This set provides everything you need and the silicone will make it twice as nice. Silicone is not effected by time, heat, or chemicals. It also not as fragile as rubber would be. This is the very best bag that you could possibly buy. This kit includes: One gallon clear silicone bag. 2 meter clear hose (72 inches)with an inside diameter of 5/16″. A box of four tips ranging in size plus a connector. Stainless steel hook. A stainless steel clamp. A grey and black checked leatherette zip case. These tips are 9/16″ dia. x 2 9/16″ long, 15/16″ dia. x 2 1/2″ long, 3/4″ dia. x 3 1/8″ long, and 3/4″ dia. x 5 1/4″ long.