The XL is a 25 deep tissue massage tool with medium stiffness. It's name is well deserved as its increased surface area allows for easy access to hard to reach places. Available in multiple colors. The XL is perfect for backs as well as legs, and is recommended to any one regardless of shape or size. The RangeRoller is a massage therapy tool that is designed to allow one to give him or herself a more effective deep tissue massage. It is especially well suited to be used by athletes of all ability levels who, because of their relatively constant training routines, are prone to repetitive stress injuries. The deep tissue massage that it can provide should help athletes to to prevent injuries, aid in their recovery from stress workouts, and increase blood flow to any injured areas. The RangeRoller is designed to simulate the effects of a personal massage in a private setting, but without the high cost.