The Catit Cat Pan with Littershield Rim helps to prevent litter from spilling out of the pan by adding a rim that acts as a shield. The Catit Cat Pan with Littershield Rim also has a combination of a deep base and a raised back to keep litter inside the pan for less mess. The cat pan includes a built-in bag anchor to attach the Catit Clean Waste Bags (50559) which is specifically designed to keep the bag open leaving hands free for scooping. It is suitable for all types of litter. Dimensions (pan) : 57 cm L x 39 cm W x 32 cm H (22.4 in x 15.3 in x 12.6 in).