EXPANDABLE STUDY CARRELS Carrel Adder Expandable privacy booth is ideal for use in libraries, study halls, computer labs or anywhere student privacy is needed. Carrel Adder easily attaches to Carrel Base or other Adders to expand and create rows of carrels. Work surface is made from warp resistant 45 lb. industrial grade particleboard. Wood surfaces are made of thermally fused laminate for scratch and stain resistance. High back and side panels provide privacy for studying and learning centers. Work surface is height adjustable from 25 to 29"H at 2" increments. Carrels include 12"D top counter shelf for storing books and supplies. Adjustable leveling feet for uneven surfaces. Easy to assemble. 1 Year Limited Warranty.