ALERA® ALEET4017 ETROS SERIES PETITE MID-BACK MULTIFUNCTION MESH CHAIR,BLACK AN ECONOMICAL CHOICE FOR MESH COMFORT. DESIGNED FOR THE PETITE USER, BUT ADJUSTABLE TO FIT ALL. THREE-LEVER MULTIFUNCTION MECHANISM FOR COMPLETE CONTROL OF THE BACK ANGLE RELATIVE TO SEAT, SEAT SLIDE AND FORWARD TILT. ADJUSTABLE HEIGHT BACK WITH ADJUSTABLE LUMBAR SUPPORT. HEIGHT- AND WIDTH- ADJUSTABLE ARMS WITH SOFT POLYURETHANE ARMCAPS FOR IDEAL ARM PLACEMENT. BLACK FIVE-STAR NYLON BASE WITH HOODED CASTERS. TILT LOCK AND TILT TENSION CONTROLS RATE OF RECLINE TO ACCOMMODATE ANY USER. SEAT/BACK COLOR: BLACK. COMPLIANCE STANDARDS: MEETS OR EXCEEDS ANSI/BIFMA STANDARDS; GREENGUARD CHILDREN & SCHOOLS CERTIFIED. NOTE: CASTERS SUPPLIED WITH THIS CHAIR ARE NOT SUITABLE FOR ALL FLOOR TYPES..