Bulk Wholesale Martingale Collars for Dogs Great for Vets, Rescues, Groomers and Shelters! Our Nylon Martingale Dog Collars are a great alternative to traditional choke chains! These all-nylon collars work just like a choke collar. They tighten when a dog pulls, and relax when a dog stops pulling. Martingale Dog Collars work like a choke collar but without the chain. All-nylon collar will tighten when a dog pulls on a lead, then relaxes when the pulling stops Prevents dogs from backing out of their collars Great for breeds with large necks and small heads like greyhounds Our Nylon Martingale Dog Collars are available in: Blue, Black, Red, Light Blue, Purple, Pink. Bulk Packs can be purchased all in one color, combined colors or all 8 colors shown above. You can select bulk packs of 2, 5, 10 and/or 20 collars (even more in the assorted packages). Please just write us if you need larger bulk pack deals. Material: Nylon and Metal Collars are available in two widths and three adjustable sizes 5/8" Collar adjusts to fit necks 10"-16" 5/8" Collar adjusts to fit necks 14"-20" 1" Collar adjusts to fit necks 18"-26" __________________________________________________ See our Sizing Chart for Extra Help in Fitting Your Dog Properly Shipping Discounts When You Buy More Than 1! We Combine Shipping on Everything That Fits Into The Same Package! International sales, please request an invoice for accurate shipping costs Check out our other items! Another great deal from the good people at My Poochie's Paradise