Vented platform allows air to circulate around your feet Dual position height settings Platform slides to offer angle adjustability for optimal comfort Two oversized massaging panels encourage correct positioning of feet Elevates feet and legs to help relieve lower back pressure and improve posture Accredited against BS EN ISO 9241 by FIRA Iinternational Ltd, an independent Ergonomic Accreditor Platform size: 45.2 x 33cms Height adjustments: 9.5/13.5cm Incline range: up to 22° (Approximate) Platform size: 45.2 x 33cms Height adjustments: 9.5/13.5cm Incline range: up to 22° (Approximate)