Features: Angle adjuster: The armrest angle can be adjusted. The angle adjuster is flexible and robust. Classic structure design: high quality materials,Our driver's seat impresses with its simple and very robust construction. Thick waterproof and environmentally friendly PU leather. exquisite thick PU leather with good breathability, scratch-proof, durable, not easy to break and deform. The first-class cold-foamed, highly elastic cushion with high density, exquisite, comfortable and elegant. Hydraulic pressure of the cooling plate, one-time molding. 1.2mm cold rolled expanded sheet metal with high strength and toughness. Base Plate Structure: There are slide rails at the bottom of the seat that are easy to install. It is also possible to drill additional mounting holes. If the front and rear mounting holes are not appropriate, drill holes directly into the rails. Specifications: Mounting hole spacing: 250 mm left to right Mounting hole spacing: 270 mm front to back Armrest: adjustable Color: Black Seat cushion dimensions: 420mm (W) x 390mm (D) Backrest dimensions: 540mm (H) x 380mm (W) height: 690mm/730mm(Headrest adjustable) Thickness of the seat cushion: 80mm Slide rail stroke: 150mm Package Content: 1x seat pad 1x backrest 1 set of slide rails 1 pair of connecting plates 1 pair of armrest 1 x Headrest 1 set of connecting screws 1 set of slide rail screws Note: The cushion deforms due to the tight packaging and returns to its original shape 2-3 hours after opening the packaging.