Nature's Miracle Advanced Hooded Cat Litter Box's Miracle Advanced Hooded Cat Litter Box is made with advanced plastic technology for outstanding odor control. Odor blocking plastic material guards against the growth of odor caused by bacteria and prevents odors from being absorbed into plastic. Constructed using Ionpure(TM) antimicrobial product protection that inhibits the growth of odor-causing bacteria on surface. Additionally the non-stick surface eliminates litter caking and odor build up for easy, hassle free cleaning. The cat litter box hood features four latching side locks and an odor control charcoal filter that absorbs unwanted litter box odors for up to 3 months. The deep black base has flecks of gold for a sleek look that will look great in any home.