Deluxe Naturals Calcium Stick (Split) Elk Antler Dog Chew (Best For Gentle Chewer) Guaranteed Length: 6.5" To 8.5"; Perimeter (Girth): 3.5" To 4"; Recommended For 90 Lb. Or Larger Dogs, Gentle Chewers It'S A Split Antler Letting The Marrow Inside Exposed; Marrow Is Where Dog Finds Most Delicious. Product Of Usa; Natural And Full Of Nutrition With No Growth Hormones, Antibiotics, Or Preservatives Naturally Shed Antler, Meaning No Harm Was Caused, Ever, To The Animal It Comes From An Excellent Source Of Calcium, Phosphorus And Protein For Dogs: Protein 38%, Calcium 18%, Phosphorus 9.9%