Adjustable height and angles: Set footrest to either 11cm, 13.5cm and 17cm. Angle also adjustable between -30° to +30° - set adjustable footrest to a position which suits you. Textured, massaging surface: Bumps all over the top of under desk footrest, with massage rollers. Relaxes and soothes the soles of your feet, whenever you want. Elevated to support posture: Keeps legs and feet elevated as you work and rest. Office footrest keeps your posture in line. ABS plastic body, with anti-slip feet: Solid and sturdy desk footrest. Feet to prevent slipping on the floor, so it stays in place. Dimensions: 11/13.5/17H x 46L x 35Wcm. Maximum load 20kg. No assembly required.