Nature's Miracle Hooded Flip Top Litter Box Odor Absorbing:Charcoal filter absorbs tough litter box odors. Charcoal filter helps keep litter area smelling fresh. Easy and Convenient Cleanup: Easy-to-use snap latches and flip top front opening make cleanup quick. Non-Stick Surface: Prevents litter buildup caused by spraying. Makes cleanup quick and easy. Opening - 8.25 x 8.25 inches, Opening flipped open- 11.5 x 14inches L x W, Lowest point of entry - 7.25 inches tall