Hol-ee Cow! Made with the same durability JW customers have come to know and love we've created a new spin on the Hol-ee Design. JW's® Hol-ee Cow&trade is specifically designed for small dogs and features the same non-toxic durable super-stretchy design as the original Hol-ee Roller® Designed with small mouths in mind the Hol-ee Cow works great as a chew toy fetch toy and treat toy.