Next Stack Chair features a contoured seat design with generous back for extra comfort. Simple stack chair design makes it easy to stack out of the way when not in use to help save space. It is ideal for training or meeting rooms. Perforated back provides breathability to keep you cool. Stacking chairs are made of high-impact polypropylene seat & back for long-lasting durability. Lightweight, tubular steel frame makes these chairs easy to pick up & move, rearrange or stack as needed. Stack up to seven high on the floor or 20 high on Safco Chair Cart (sold separately) for convenient storage when not in use. It is perfect for use in lunchrooms, convention centers, event centers, breakrooms, lecture halls, modular work spaces, hoteling areas, business centers, libraries & classrooms.