Impact-resistant corners: injection molded abs corners are designed for 30cm height drop with not structural damage to table Stacking bumper: replaceable rubber bumpers keep tables from sliding Protect table surface when stacked Inner corner: injection molded abs inner corners not only prevents droping related damage, but also helps to absorbent the force to the steel frame One-set steel frame: 16 gauge square tubing provides the table over 2,000lbs weight when equally distributed PVC edge molding design: one piece edge molding design give table the ability to absorb shock on the edge Light abs plastic shell: high-impact abs plastic for both table top and bottom Available in various textures and colors