Model Name DK719 Color bLUE Seat Size ( W x D cm ) 58 x 57 Back Size( W x H cm) 57 x 84 Surface Material Breathable Fabric Armrest Type Recline Armrests Gas Lift Class 4 Adjustable Backrest Angle 90-180 Base Typ 350mm Metal Base Weight limit (KG) 150Kg Seat Foam Type High-Density foam Backrest Foam Type Molded Foam Mechanism Type Butterfly Mechanism Caster Material 60mm PU