Intelligent Electric Massage boss Chair, Comfortable Home Computer Chair, Modern Business Ergonomic Luxury Office ChairSPECIFICATIONS Application: Office Building Home Office Armrest: Solid Wood, sponge, leather Base: Steel Base Brand Name: OUCEY Feature: Adjustable (height,recline angle) Frame Material: Wood Function: 360 Swivel Height Adjust,Back adjustment Headrest: built in High concerned chemical: None,None Material: PVC,Organic Material Model Number: P186 Number of Pieces: One Unit Origin: Mainland China,Mainland China Product Name: Commercial Office Furniture