Elk antlers are available in Small, Medium, Large and XL varieties. Please choose the appropriate size for your pet. Antlers are a 100% natural product—variations in shape and appearance are normal and should be expected. Sustainable Handcrafted for pet size & safety No odor, no grease & no mess USA sourced Elk antlers are less dense and may be suitable for puppies, older dogs & dogs with sensitive teeth or gums