The best way to control litter scatter is to stop it before it starts. Petlinks Purr-fect Paws patented design spreads a cats paw pads as it walks across the mat, forcing stray pieces of litter drop from your cats paws and capturing them in the deep hollows. Available in Medium, Large and Extra Large. Medium measures 23.25 x 14.9 Large measures 30 x 24 x .27 Extra-large measures 36 x 27 x 0.27. Petlinks products enhance the way that people and pets live and play together. The innovations behind our thoughtful, fun and effective products are driven by consumer insights, extensive research and thorough testing.