Tilt Tension Control Tilt Lock Synchro-Tilt Seat Height Adjustment Waterfall Seat Edge[ERGONOMIC DESIGN] S curve model backrest designed according to ergonomic will give you lumbar support, soft padding and waterfall seat edge for less pressure on the back of your legs so you can stay comfortable even when you have to sit down for hours. [HIGH-END MATERIAL] 3.2 inches thick padded seat, full PU leather covered armrests, skin friendly and wear-resisting, high density shaping foam, more comfortable, anti-oxidation, elasticity resilience and service life. [MULTI-FUNCTION] 360-degree swivel, heavy-duty base and smooth-rolling casters make a superb stable structure, the whole chair can rocked back and forth, you can personally adjust the chairs height of the chair to match your needs, perfect for relax during your busy working days.  [WHAT YOU GET] A comfortable office chair, all the tools needed for assembly, one year worry-free service, great after-sales service within 24 hours.Seat Depth Adjustment Width Adjustable Arms Arm Height Adjustment Lumbar Adjustment Black Titanium Frame and Base