PREMIUM MATERIAL: This piano keyboard case is made of premium oxford fabric for long service life. The inner layer of the piano keyboard case is waterproof and smooth, which protects your keyboard from scratches on your piano. PERFECT FIT FOR KEYBOARDS: This piano keyboard bag fits most keyboards with 61 keys and measures 38.6 L x 16.5 W x 7 H inches (98 L x 42 W x 18 H) with a lanyard nylon to tighten and fits most keyboards. PROTECTING YOUR FAVORITE TOOL: When the protective piano cover is removed, there is no material on the keyboard. Indispensable to protect your digital piano or keyboard against dust and other dangers. Easy to Fit: Premium adjustable elastic bands help you achieve a custom fit that won't move, edges to stay loose, secure and easy to remove. MACHINE WASHABLE: Our piano case is simply popped into the washing machine to enjoy a shiny new protective dust cover. Focus on protecting your piano from dust, water, scratches, easy and soothing cleaning. Please do not wash with other clothes. Hand wash recommended for longer life.