Give your pup hours of fun and stimulation with Starmark's Everlasting Bento Ball. Just add a treat and let your dog chew away his anxiety or boredom. Stronger than rubber, these balls are great for powerful chewers! Sizes: Small - 2.5" diameter, for dogs under 15 lbsMedium - 3.5" diameter, 15 to 40 lbsLarge - 4.75" diameter, for dogs over 40 lbs | Starmark Everlasting Bento Ball in Orange | Size Small