BQLZR Beige Wool Felt Piano Key Cover 88 Keyboard Protective Dirt-proof Cover Musical Instruments Accessory Made of wool, soft and durable. Keeping dust off your keys is important, as the oils from your fingers will mix with the dust and eventually leave your keys with that beige tint. This item is good at protecting keys of 88-note keyboard or piano from scratch and dust. Material:Wool felt Dimension:134 x 7.5cm/5.28 x 2.95"(L x W)