JW® Pet Cataction® Fish Ball Cat Toy is a colorful plastic ball with rattle beads & bright colorful fish inside. Perfect to roll, bat, swat, & PLAY. This stimulating, durable toy will engage cats' natural instincts to POUNCE. With its enticing rattle sound & fast rolling action, the Fish Ball keeps cats entertained for extended play time. Fast rolling action encourages the natural instinct to pounce. This cat toy is 2 inches in diameter & made of durable rubber. Satisfies a cat's natural urge to pounce Able to withstand tough play Enticing rattle sound with fast rolling action Stimulating & durable for an engaging & durable toy Provide hours of entertainment for cats of all ages