Medium Dog Collars Adjustable Buckle Nylon Dogs Collar 12" - 18" Red Blue Green I have here new Dukes brand adjustable nylon dog collars. Printed yellow smiley face is 1/2 inch. Neck size 12 to 18 inch. Ideal for all medium size dogs. Weight of 15 to 40 pounds. Rigid contoured side release buckle. Collar is 3/4 inch wide. Colors are red, blue or green. Use drop down to choose. See specs for more details. Get one for a friend and take advantage of the volume discount I offer. Thanks for stopping. Please visit my slow growing store, read about me, my policies and view other items that may be of interest. Also, if you like, please add me to your saved seller list receive TDR Newsletter that I run bi-weekly be notified of new product, sales and other news. **I always have money saving volume discounts on most items** David - thediscountretailer