Kyjen Invincibles 6 Squeak Snake (Assorted ) are stuffing free toys that squeak! Invincibles Stuffing Free toys are designed for destroyers and are incredibly durable. They keep on squeaking, even after several big punctures! Unlike typical squeaky toys, the fun just keeps on going! Perfect for dogs that instantly annihilate plush toys No stuffing to remove Tough, yet soft on the mouth Great for tossing, tugging and shaking Multiple squeakers keeps on squeaking!