Personalized Embroidered Nylon Dog Collars - Made in the USA - Guaranteed for Life WIDE SELECTION: This collar is a perfect medium and large dogs. It comes in dozens of color combinations! Please refer to sizing information below to determine the best size for your pooch. SIZING INSTRUCTIONS: To determine collar size, please measure your dogs neck with a sewing tape or string. That size will be your dogs neck size. The collar sizes listed are the range of neck sizes that the collar will fit, as well as the width of the nylon strap used. PERSONALIZED EMBROIDERY: Getting your dog safely home is your #1 priority, so this collar comes with room to have your dogs name and phone embroidered on the collar in a contrasting color. GUARANTEED FOR LIFE: Each collar is made out of the highest quality materials and has a lifetime guarantee. HIGH QUALITY: This collar is made in the USA from durable, fade-resistant nylon webbing. The side release buckle is made from military grade plastic and will hold under tough pressure. Finished off with a stainless steel D-ring.