Petmate Chuckit! Fetch Ball Medium (2.5 Diameter) Assorted Colors: Blue Or Orange A More Durable Alternative To Tennis Balls For Dogs, Get A Chuckit! Fetch Ball Instead. Made Of A Tough Rubber Material, It Has A Big Bounce Making It Perfect For Catch And Fetch Games. Contoured For Easier Pick Up, The Ball Is Easy To Clean And Will Last Through Even The Roughest Of Play Times. Compatible With The Mega Ball Launcher (Sold Separately).