Pyle Adjustable Bench Portable Stool for Electronic Digital Keyboard Pianos 4 Non-Skid Sleeves High Density Foam Padded Seat Black Lightweight less than 9 lbs. - Height Adjustable - Easily Adjust the Bench’s Height with the Spring-loaded Pull Knobs - Made of High-Density Foam - Padded Seat to Keep you Comfortable during Long Hours of Play - Equipped with Rubber Non-Skid Sleeves - Prevent the Keyboard Seat from Shifting - Easy to Assemble and Break Down.