Description Size L Material Steel Colour Black Item dimensions L x W x H 34.9 x 20.5 x 9.3 centimetres 1.Product informationThe new generation of arm support plate integrates the deficiencies of other products, adopts a more reasonable and stable structure, and concentrates on solving the problem of neck and shoulder pain caused by long time work of users and hanging arm 2.Product MaterialThis product uses a sheet that meets the European standard E1 levelStainless steel double K-shaped support frame, double clamps are locked on the desktop, making the product more fit and stable on the desktop 3.Folding design: It is convenient for users to fold and store at 90when they are not needed, and does not take up your space 4.Product specifications: The size of the support board is 30cm*15cm, which can bear 20 pounds 5.User solution: Erect a healthy sitting posture and bid farewell to soreness. Give yourself a healthy body at the least cost.