1.Use environmentally friendly wood, / wear-resistant / firm, formaldehyde content up to standard, can clamp 3.2cm thick desktop.2.The height and angle can be adjusted according to personal needs, and the upper and lower sides can be adjusted by 15, so that the wrist is no longer sore.3.The cold-rolled steel bracket has good support and strong load-bearing capacity, which can bear a weight of 25kg.Product name:keyboard trayProduct material:woodenProduct color:black, maple colorProduct load:25kgPanel length:55cm/21.6in, 64cm/25.1in, 75cm/29.5inBoard width:24cm/9.4inNote:1.100% risk-free money back guarantee2.If you are not satisfied with our products, please feel free to contact us, we will provide you with the option of replacement or full refund.3.Since we are international logistics, it takes about 15-20 days for the long delivery time, please wait patiently.