This innovative knee cushion raises the guitar for a classical player without having to use a foot stool. Some classical guitar players find the use of a traditional footstool and the resulting playing position gives them pain and discomfort. This large size that raises the guitar 5 1/2" is particularly good for taller players. It is made from dense, resilient foam with a zippered cover of soft and sturdy leatherette. Many players have raved about how much more comfortable these are over the discomfort of using a footstool. Fits securely on either leg. Ergonomically shaped. The foam retains its shape. Comes with a custom carrying bag. Also comes in a smaller version suitable for most players that raises the guitar 3 1/2". Say goodbye to the inconvenience and pain of using a footstool.