WORLDWISE-Petlinks: Bottle Buddy Crunchy Dog Dog Toy. Dogs will love the crunchy, crackly sounds of bottles. You can refill with your own bottles to keep the fun alive. This package contains one 8 inch tall crunchy dog toy and one replaceable bottle. Exterior: 100% Polyester. Lining: 100% Nylon. Filling: 100% Polyester. Petlinks products are principally made from recycled, reclaimed, renewable and certified organic materials. Imported.