Ergonomic desk footrest: Helps improve posture by keeping feet and legs elevated. Take breaks at the office at work or at home after a long day HEIGHT ADJUSTABLE: The height of this footrest under the table can be manually adjusted to 3 different positions: 11cm, 14cm, 17cm. Super easy to find the perfect location for your needs Easily adjustable angle: Tilt from -30 to +30 to support your legs at the angle you want. The angle cannot be fixed, rocking back and forth to promote leg movement TEXTURED MASSAGE SURFACE - With a large non-slip surface (18" x 13"), a texture of floating platform made of geometric circular protrusions provides better stress relief during the working day. Ideal for the office and home Pre-assembled for use: This adjustable foot pedal comes pre-assembled for immediate use. Non-slip feet improve overall stability. Rugged construction for added comfort while you work or study