The Original Natural Rubber Foam-Filled, Fuzzy, Fun Toy. They Love The Super Squishiness; Soft, Fuzzy Texture And Super-Sensitive Squeaker That Squeaks With Every Bounce! Squishy, Squeaky And Doggy Pleasy! The Innovative Design Of Sprong! Includes An Assortment Of Unique Shapes And Sizes That Feature Easy-To-Grip Knobby Details That Are Engineered To Be Dog-Friendly. Colours May Vary.