【4 Sizes】Please note that main photos are taken from L size. XS - Neck Fit 7.9"-11.8"(20-30cm), Width 5/8"(1.5cm); S - Neck Fit 9.8"-15.7"(25-40cm), Width 5/8"(1.5cm); M - Neck Fit 12.9"-21.6" (33-55cm), Width 3/4"(2cm); L- Neck Fit 14.9"-24.8" (38-63cm), Width 1"(2.5cm). To get a proper size, you'd better take a measurement of your dog's neck circumference before ordered. 【Personalized Dog Collar】We offer free engraving service, the laser engraving information will not ruin or fade after durable use. You can leave your PET’S NAME and PHONE NUMBER, then we will engrave it on the metal buckle. It will help your pet not be lost. 【Improved Buckle】We improved our buckles according to market experience and user feedback, Half metal and half plastic fasteners are equally strong, convenient and more lighter. and what's more, make no noise when you use it. 【Fashion Design】This bohemia floral geometric collar will make your dog look more fashion and stylish while travelling and daily walking. 【GUARANTEED】If you have any quality problems, you can contact us at any time for after-sales service. Mihqy Personalized Dog Collars - Custom Engraved Bohemia Floral Geometric Dog Collar with Name and Phone Number - Adjustable Sizes Extra Small Medium Large Dogs, 12 Colors for Male Female boy Girl Puppies(Green Floral,M)