KONG Maxx Stick is engineered down to the molecules for ultimate durability that delivers long-lasting fun, satisfying the fetching instincts of the toughest players. Covered with material that resists puncture up to 5 times more than regular plush for long-lasting play. These soft-but-rugged toys are made with super-strong thread sewn in minimal seams for enduring action. Squeaker sparks engagement.