[Adjustable]: BlueGreen Dog collar large L, Neck Size: 1"*15"-25"(2.5CM*38CM-65CM), Weight to 90lb (40KG); Please make sure leave ONLY 2 fingers between collar and dog neck. The right pet collar can scientifically ensures chewing, breathable and free running. [High Reflective] The dog collars are designed with double reflective tape, brighter and safer at night, ensuring security of daily walking, outdoor adventures, hiking and camping. Your pet will love it! [Safety Buckle] The quick release buckle is made of premium sturdy plastic and can be released quickly with one hand. Lighter than metal buckles, providing enough comrfort for your lovely god. A separate loop on the collar makes it easy to add dog tag and lead onto the collar. [Premium Materials] Made of highly durable, abrasion-resistant polyester webbing and stainless metal accessories. Double Stitching and steady buckle, , easy to on and off. [Ideal Dog Collar] Lightweight and comfortable collar, perfect for most dogs, such as: Chihuahua, Beagle, Yorkshire Terrier, Labrador, Golden Retriever, Huskies, Dachshund, etc. dog collar for large dogs collar de perro dogcollar for small dogs collar para perro medium dogs collares de perros collar perro