Black Mesh Office Chair With Headrest And 2d Armrest, Chase Back Function With 7 Gears Adjustment, Tilt Function Max 128°, Bifma Certificated

This is a well designed ergonomic office chair for people who work or study at desks for a long time,especially for those who are suffering from backache caused by uncomfortable chairs. This product is from professional manufacturer who has been deeply involved in this industry for many years. It has passed the BIFMA test and has the certificate issued by BV,it is a certified Ergonomic Chair follows Genuine Ergonomic Principle!Germany imported mesh material is elastic and breathable,offers great support and comfortness. Nylon base and foot cost more but provides greater weight capacity up to 300lb, stronger and more durable, no risk of rust and corrosion, no need to disassemble or worry about falling off during using.It has passed the BIFMA test and has the certificate issued by BV,it is a certified Ergonomic Chair!High back and wide headrest, both heights and angles can be adjusted. Double back provide better support,it can be adjusted in 7 gears.Lifting chairback with two hands directly when sitting. Lift each gear quickly to find a suitable height meeting your waist and back. It has lumbar support to meet lumbar curve properly, it works more comfortably. It also has a tilt tension function,4 gears adjustable and lockable, the maximum tilt angle is 128 °.The 2D armrest can be adjusted up and down to a height of 3.93inch.20’‘W * 20’‘D seat cushion offers great comfortness and support when sitting,you won’t get backache for sitting long,a long term use will not cause deformation and collapse of the cushion shape.