LED DOG COLLAR- "GUARANTEED BRIGHTEST" - 2 YEAR MONEYBACK GUARANTEE "Keep Your Dog Visible & Safe Day and Night" 2 YEAR MONEYBACK GUARANTEE - Your LED collar comes with a 2 year, full money back guarantee. We put our money where our mouth is. If you are unsatisfied at any time during the next 2 years and your LED collar isn't the brightest and toughest LED Collar simply let us know and we'll rush you a full refund, no questions asked. GUARANTEED. Keep Your Dog Visible & Safe Day and Night  make that gut-wrenching panic you feel when losing your dog a thing of the past and ensure your dogs safety 100% of the time with your GUARANTEED BRIGHTEST LED collar. PREMIUM MATERIALS + RELIABLE QUALITY - Highly Durable, lightweight, EASY TO USE, ultra-stong material designed for many years of outdoor action & backed with our rock solid Lifetime Replacement Warranty WEATHERPROOF material that will remain strong, and keep your dog safe in the dampest and darkest of conditions. SIZE - Medium size is 40-50cm (15.7-19.6 inches) around the neck