More Holes Trap More Litter -- Traps litter from cats paws and litter from box effectively. Litter falls through dense holes which are wide and deep enough to capture large amounts of cat litter. Supports all types of cat litter such as cat litter box mat doesn't bother cat paws unlike other cat mats. The decent size(3024)in is large enough to catch litter and comfortable for the cats to step on.