An adjustable quick release buckle or martingale collar in 1.5 inches wide The ribbon overlay is sewn securely over high tensile nylon webbing. We use only heavy duty contoured buckles, adjuster slides & nickel plated steel d-rings. Available collar sizes: Small (1.5" wide) fits necks 10"-15" Medium (1.5" wide) fits necks 12"-19" Large (1.5" wide) fits necks 15"-24" Extra Large (1.5" wide) fits necks 17"-29" Or if you prefer a martingale collar: Please measure your dog’s neck & the widest part of the head to ensure that the collar will be able to slip on. Available Martingale collar sizes: Small (1.5" wide) fits necks 12"-15" Medium (1.5" wide) fits necks 14"-18" Large (1.5" wide) fits necks 17"-24" Extra Large (1.5" wide) fits necks 20"-29" We can also make all collars & martingales to any custom size. Just include your dog’s neck size in the “Notes to Seller” at checkout. Washing is a snap, just place on the top rack of the dishwasher, or hand wash. Leave to dry on a dish rack or line dry only please. NOTE: No collar is indestructible, please check your collars frequently for wear & tear & replace when necessary. After purchase, the use of this collar is the customer’s sole responsibility. How to measure your dog for a collar: Use a soft tape measure. Wrap the tape measure around the dog’s neck snugly, but NOT tight, leaving one fingers room. Take the exact measurement & ADD ONE INCH. This is the smallest size your dog can wear. Remember this number when ordering, use that number as your guide. If you do not have a soft tape measure, use a piece of string & the instructions above. Mark the end of the string lines up with the string around the dog’s neck. Lay it out on a ruler to measure. Take the exact measurement & ADD ONE INCH, this is the smallest size your dog should wear. You can find Cody’s Creations on Facebook Wide 1 1/2 Inch Adjustable Buckle Or Martingale Dog Collar in Drinktini