Calling all doggos and their hoomans! Do you want to give your furry friend the ultimate challenge? Our snuffle mat with Challenge Level 4 is the perfect choice for a tiring and extensive sniffing adventure that will keep your pooch entertained for hours. Plus, to make it even more exciting, don't forget to hide treats in the fleece rolls! It's easy, fun, and sure to bring out the tail wags and woofs in your pup!