Categories Catty Coil Spring Action Cat Toy The Categories Catty Coil combines two of a cat's favorite things, strings and springs, into one feline-friendly toy. Unpredictable Movements -- bounces, rolls, and bends Non-Toxic Materials -- velvety soft outside, flexible plastic inside Keeps Cats Active & Entertained -- encourages batting, chasing, kicking, and pouncing Pets should always be supervised when playing with this or any other toy. Remove toy from pet if any part becomes loose, damaged or detached. Intended for pets only. Not a children's toy.