Medium 3" TireBiter Ball w/Treat Station. Mammoth's TireBiter Balls are made from advanced natural rubber for long lasting rolling, tossing and fetching. Great for play and enrichment activities that encourage independent play and mental stimulation. Fill treat station with your pet's favorite treats. Smear ball features with a little peanut butter or honey for added pet attracting and licking. Insert Bone-Stick-Jerky type treats through center holes for playtime action. For Light to Moderate chewing. Roll. Toss. Fetch. Great for small to medium size dogs.