Plastic office mats crack and splinter, but our bamboo mat looks and wears better than plastic, stays in place, and won't bend or crack. Portable and lightweight, the mat is made in China's Anji Mountains from the hardest portion of the bamboo tree (harder than most species of oak) and finished with seven coats of the same scuff-resistant protection used on the most expensive installed hardwood floors. Felt backing protects floors and inhibits movement. Supports rolling chairs or stationary chairs with floor protectors on the feet. Honey oak finish. 57" Sq. with 24 1/2" W x 9 1/2" D tongue that fits under most desks. (15 lbs.)