The Omega Paw Roll'n'Clean self-cleaning litter box is the innovative way to make sure your cat always has a clean litter box. Remove the soiled litter in a fast, hygienic way, without time-consuming or complicated manoeuvres or a litter scoop. In no time at all the litter box is clean and fresh again and ready for your cat to use. This self-cleaning litter box works best with a good quality clumping litter. The Omega Paw Roll'n'Clean litter box at a glance: Colour: taupe & grey Innovative patented design Quick, easy and hygienic cleaning Inbuilt grill for removal of clumps Removable tray for easy and mess-free removal of litter Ideal for use with good quality clumping litter No batteries or electrical power needed Made in Canada Dimensions: Total: approx. 56 x 51.5 x 49 cm (L x W x H) Interior with grill: approx. 35 x 41 x 48 cm (L x W x H) Sieve hole inside: 8.5mm Entrance: approx. 23 x 25 cm (L x H) Entrance height: 15.5 cm