DURABLE MATERIAL - The black keyboard dust cover made from high-quality Lycra cloth knitted elastic drawstring which is dustproof and ensures maximum protection against your keyboard. The cover will last for a long time without wearing or tearing. FEATURES - The cover has an adjustable elastic string cord at the bottom that helps the cover stretch smoothly all over the keyboard and fit properly. The cover is lightweight so easy to carry when you want to wash or cover your keyboard. SIZE - The cover fits perfectly in 61 and 88 key keyboards and has an adjustable elastic cord that helps stretch for perfect fitting. Fitting most of the piano keyboards: Yamaha Cascio Nord Kurzweil Roland Cascio Hammond Akai Alesis Korg etc. EASY TO CLEAN - It is easy to wash within a few minutes and ensures your keyboard is always protected. Or hand wash recommended for a longer lifespan. Ensure you have measured the real size of your keyboard before buying the keyboard cover.