Arm & Hammer Rimmed Wave Litter Pan has continuous antimicrobial protection. This inhibits bacteria growth which cause odors. The reinforced bottom and rim design on the litter box provides extra strength and durability. The unique designed rim helps hold litter liners in place. The higher rim also reduces litter scatter. Features low front for easy entry and easy grip handles along the rim. Quality plastic construction for long life along with the convenience of soap and water clean up. Made in the USA.