About Four Paws Four Paws was founded in 1970 with a goal to provide pet owners with high quality products that will allow them to enjoy long, happy lives with their pets. Their variety of lines includes products for dogs, cats, reptiles, and small animals. Today, Four Paws continues to offer quality products to dealers and are a poud member of the APPMA, WWPSA, PIJAC, and PIDA. Please note this product does not ship to Pennsylvania. * Made of high impact plastic * 3 sided corralling feature prevents missing the pad * Puppy"s very own go-to place * Fits all standard puppy wee wee pads * Patented design keeps dog centered on pan