These 17-1/2" heavy-duty tablet arm chair desks are designed to withstand everyday abuse. These student desks feature a 14-gauge steel back and desk support, a 3/8" thick solid plastic seat and a solid plastic writing surface. Chair desks are available in both right and left-handed versions. Please call for left-handed pricing. To add a durable wire book basket to the desks, please include #BBASKET in your order.