http://www.ukachair.com/office....-chair/fabric-office Fabric Office Chair Product NameHigh Back Fabric Office ChairBrandUKA MaterialMesh/FabricColorblack, gray, white Model NumberUKA-RollaSeatinjection foam with plastic cover armrest1D armrest with PU padmechanism3 locking synchron mechanism Gas lift100mm class 3 gas liftbase350mm nylon base caster50 PU castorChair sizeW68*D47*H101-110cm LOADING ABILITY512PCS/40HQ 1PC/CTNCarton sizeW73.5*D28*H64cm PaymentT/T, L/C, otherPackingAs customer required The back frame of our High Back Fabric Office Chair is made by nylon fabric, which has good elasticity and with mesh fabric,