McKenzie the Rooster is an all New Chewguard Toy. Chewguard, is a proprietary manufacturing process that adds a super tough, durable liner to each toy. The Chew Guard lining was specially engineered to withstand the daily rigors of a dog's play. McKenzie is machine washable and comes in 2 sizes. Large 20” x 6” x 8” Mini Size is 16” x 5” x 7.5” . Dogs are tough but chewguard is tougher!