Armrest: 4D
memory foam
Moveable waist cushion
Base & Castor: Metal Base + PU Castor
Back is able to lay down up to 180 degree
Mechanism: Butterfly Mechanism
Gas Lift: Class 4
Material: PU Leather
Include: neck cushion, lumbar support
Size: Back: 90 X 59cm / Seat: 57 X 54cm