Neewer&reg; 2-Pack Black 3-Position Height Adjustment (16.5"/17.5"/19.5", 42cm/45cm/50cm) Folding Super-stable and Durable Padded Keyboard Benches with X-style Iron Legs 2-Pack Black Padded Keyboard Benches. Note: Piano & Guitar Not Included! Adjustable Height: 16.5"/17.5"/19.5", 42cm/45cm/50cm. Seat Size: 11.4" /29cm width, 15.4"/39cm length. Ultra-thick 1.6 inches/4cm of cushion pad offers incredible softness and comfort. Provide three different height positions,make for quick and simple height and width adjustments. X braced iron legs provide extra strength and durability. Protective, non-slip rubber end caps prevent slipping and protect floors. Folding type brings thoughtful storage and travelling convenience.