Kooloop Dog Collar | The Best Dog Walking Collar for Large and Medium Dogs | Petsafe Dog Training Collar | Great Outdoor Dog Collar with one Touch Release in Red, Blue and Orange LARGE BREED DOG? MEDIUM TO LARGE DOG COLLAR SIZE: INCREDIBLE 220lb restraint on collar & lock. Ideal for running and walking big dogs with greater pulling strength. Multi-fit 14"-22" neck sizes for an exact 2 finger snug fit. This is the dog collar for a perfect fit whether they are a puppy or adult! DOG COLLAR BREAKAWAY: Safety feature for quick release under pressure and instant freedom. You need a petsafe dog collar for you and your dogs protection. PADDED HEAVY DUTY DOG COLLAR: Superior quality materials for strength and corrosion resistance. Lightweight with soft neoprene padding for added comfort. UNIQUE NO HARM NO BUCKLE: Fast & easy double cam safety lock designed to lock into the collar both ways making it the best dog collar around! MONEY BACK GUARANTEE: Were so confident in the quality and effectiveness of our product that we offer a 30 day 100% money back guarantee