Slightly larger than Model 2000 and pyramid-shaped. Durable Doggie Dooley plastic parts are stronger, much easier to assemble and will not corrode or rust. Dooley unique open-bottom system has no need for separate overflow device. Provides safe disposal of pet waste and control of odors. Handy foot-operated lid has an above ground area of only an 8" square. 16" deep x 17-1/2" wide.