The KONG Wubba Ballistic Friends are the cutest and toughest interactive squeak and shake toys available. These versatile toys are perfect for indoor and outdoor use, and their floppy tails make them easy to pick up and throw. Each toy is covered with durable, reinforced nylon for added toughness.-Covered in durable, reinforced nylon-Perfect for interactive games of tug and fetch-Squeak for added enjoyment-Not meant to be used for chew sessions