Our line of interactive dog toys provides deeper engagement through "nose work." Customers can hide favorite treats in the treat pockets to not only entertain, but also mentally stimulate their pup! Did you know? -10 minutes of sniffing= the same enrichment for a dog as a 1 hour walk -Taps into a dog's natural foraging instinct -Scent work stimulates the nose and brain -Releases energy, reduces stress, and manages boredom -Crinkle and squeaker also provide auditory stimulation Care Machine wash in cold water. Air dry.