Ruff Dawg, Big Dawg XLRuff Dawg, Big Dawg XL ALL NEW Big Dawg and Big Dawg XL. A Heavy duty Solid rubber Chew, Designed for serious chewers. This barbell shaped Bone comes in 2 sizes and an assortment of bright neon colors. Proudly made in the U. S. A! These virtually indestructible chews, float, bounce and take serious abuse during heavy playtime, gentle on teeth and gums, so retrieving goes on and on and on! Size: Big Dawg 6 x 2. 5 dia. for small to medium dogs under 40