This handmade martingale dog collar with optional flower is available in a 3/4", 1" and 1.5 inches in width and is made out of a magenta flower print 100% cotton fabric The slip on collar is sewn on black Polypro Webbing, and finished off with a quality nickel metal d ring and metal adjuster slides. The matching flower is handmade and removable. The flower is attached with a double sided Velcro that wraps around the martingale dog collar for easy on and off. Matching dog leash available https://www.michaels.com/makerplace/product/orchid-purple-flower-print-dog-leash-swivel-hook-pet-lead-4%E2%80%99-and-5%E2%80%99-length-3545033423363276 Martingale dog Collar Sizes size S fits neck 12" - 15" width 3/4", 1" or 1.5" size M fits neck 14" - 18" width 3/4”, 1" or 1.5" Size L fits Neck 17" - 24" width 1" or 1.5" Size XL fits Neck 20" - 29" width 1" or 1.5" *Measure the largest part of your dog's head, and the middle of his/her neck. *If your dog's head is larger than its neck, you will need a size that is large enough to slip comfortably over its head. *If your dogs neck is larger than his head, then you need a collar that will fit comfortably around its neck. Your dogs head size will not matter in this case (e.g., Greyhounds, Shelties, etc.) *The collar size you select should adjust large enough to fit over the head, and adjust small enough to fit comfortably around the neck. Only clean and unworn items are eligible for a refund. Customer is responsible for return shipping.