Strong Sturdy Design - unlike other designs on the market this design is not centrally supported but supported with an extended metal frame. Hydraulic Height Adjustment. Manual Back ret & Leg Section. Removable Arm Rest. Removable Face Pillow With Face Hole. Powder Coated Frame. High-Density Foam. Top Quality 1.2mm Marine Grade Vinyl. Measurements: Length : 189cm. Width : 82cm. Height : 64cm to 90cm.