Arm and hammer rimmed wave 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. Newly 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. Made in the USA. Newly designed rimmed cat pan helps secure litter lines in place and higher rim helps prevent litter scatter.Low front makes for easy entry.Easy grip handles along the rim.