KONG HOLIDAY SQUEAKAIR BALLS COMBINE TWO DOG FAVOURITES A TENNIS BALL AND A SQUEAKER INTO ONE FABULOUS FETCH TOY THAT SPARKS NATURAL INSTINCTS. THE KONG TENNIS NON ABRASIVE MATERIAL ON THESE 6 BALLS IS SOFTER ON TEETH THAN REGULAR TENNIS BALL FELT. THE SQUEAKER CALLS DOGS TO PLAY AND KEEPS THEM ENGAGED WHILE THE DYNAMIC BOUNCE LAUNCHES PUPS INTO FETCHING FUN WITH A CELEBRATION OF HOLIDAY COLORED PENGUINS, SNOWMEN AND MITTENS.