Big High Back Executive Chair with Linkage Armrests and Leather Padded Seat for Office-Gray

. Easily switch between working mode and relaxation mode with the linkage armrests. 20"-23.5" adjustable seat height allows customization for optimal ergonomic comfort. 90°-135° adjustable backrest supports various reclining positions to reduce strain. 2 convenient levers allow for easy height and recline adjustments. Elastic sponge filling provides ultimate comfort for working. Premium plywood brings reliable bottom support for sitting. Provide ergonomic support for the shoulder, back, lumbar, arm, hip and leg. Offer reliable support for extended office hours with a sturdy 5-point base. SGS-certified gas cylinder ensures effortless height adjustment. Achieve smooth and convenient mobility with smooth universal wheels. Tight double stitching securely fastens the fabric for long-lasting use. Can be used as an office chair, conference chair, study chair or gaming chair. Assembly needed. Black:. Seat and back cushions made of PVC leather, sponge filling and plywood. High-quality PVC leather offers simplified maintenance. Gray:. Seat and back cushions made of linen fabric, sponge filling and plywood. Wear-resistant linen fabric offers dependable long-term use