VELVET MATERIAL: The velvet material is thick enough to prevent dust pet fur debris and hot sunshine. There is adjustable elastic string cord on the bottom it can make it snugly fit around the piano and keep insects out.</br>SOFT AND LIGHT WEIGHT: The high grade material is very soft with light weight it takes good care of the keyboard but does not bring any friction or pressure on your piano.</br>STRETCHY AND PERFECT FIT: The cover is stretchy in lendth width and height. It can fit keyboards with length from 49 to 55 inch width from 11 to 18 inch and height max to 7 inchs. It can fit most 88 keys digital piano keyboards.</br>VERY EASY TO USE: It is easy to put on and take off the cover you can spend you valuable time to enjoy the music.</br>HAND WASHABLE RECOMMENDED:It is hand washable and machine washable. But hand washing and air drying is recommended to bring long life to the cover.</br></br>Product Description</br></br><b>The special material protects your keyboard well</b> <br>The material is thick enough to protect the piano keyboard from harmful dust and debris?? dirty?? pets scratches?? or sunshinie. <br>The cover is very soft with light weight?? it will not bring extra pressure on the keys