The Paw-zzle Ball is an intriguing toy that will keep your dog occupied for hours with the two balls in one design. Virtually indestructible, it is tough, safe, and molded of non-toxic thick polyethylene plastic balls. Your dog will spend hours trying to extract the ball trapped inside. With a variety of sizes to choose from, you will easily find one for all the dogs in your life. Now in 2 Sizes: 4.5" & 6". Featured in Assorted Colors.