Premium Black Spiked Nylon Dog Collar 20 Inch - For Large & Medium Sized Pets Mady By Unique Imports - GoodPooch TM This series of Collar is leather canvas for maximum strength and durability Collar will not rip made of heavyweight leather All GoodPooch Leads are safe for daily pet use. look for the matching leash and other products and toys 13" to 20" length adjustable. for Medium & Large sized dogs