������������������������ �������� : Do Not fully tighten all screws until assembly is completed ������������������ Seat with mesh chair Castor leather coated with high quality PU Casters ���������������� & ������������������ ������������ Comfortable dynamic headrest & backrest to protect the lumbar spine & release the pressure on the neck & waist & the headrest & waistrest can be adjust ������������������ ������������ Modern design, match the natural curve of your back. Once your body is sitting in its natural position, you will feel more comfortable �������� Untra comfortable high density moulded seat foam to provide you better seating experience & more comfortable �������������� 3D armrest, it can be adjustable 90 degrees in height, forward/backward & limited angle �������� Heavy duty nylon base to provide greatest stability & durability ������������ Heavy duty PU castor, able to rotate 360 degrees, run smoothly & effortlessly over hard & soft flooring without causing damaged to the floor ������ ������������ Heavy duty gas spring Certified by SGS (Clause 5,6,7,8 and 10.3 of ANSI/BIFMA X5.1-2017) ������������������ 5CM thickness butterfly tilf mechanism to lock/free the rocking features with tension adjustment Certified by SGS, ANSI/BIFMA X5.1-2017 Clause 9 (Operate for 150,000 cycles) ���������� �������������������� Adjustable back angle between 90° -125° & lock it at any angle �������������������� �������������� 2 years Supplier Warranty SGS Certified BIFMA Certified BUREAU VERITAS Certified ������������������ W57cm x D50cm x H147-157cm ���������� Black/Grey/Pink/Tiffany Blue �������������� ���������������� Office Chair x1 Allen Key or Screwdriver & Instruction Manual x1