Features: Material: Nylon with soft padded liner Durable nylon construction with soft padded interior for comfort and breathability Hook and loop closure design allows for adjustability and customization with patches or stickers High-quality metal cobra buckle and D-ring provide strength, corrosion resistance, and durability Quick-release handle design for easy control; can be secured when not in use Buckle opens by pressing both sides upward; closes securely with a gentle push Suitable for outdoor sports, training, travel, camping, hunting, and dog training Designed for medium, large, and extra-large dogs such as Bull Terrier, Samoyed, Husky, Chow Chow, Bulldog, Pitbull, Labrador, German Shepherd, Rottweiler, Golden Retriever, Afghan Hound, Doberman, Mastiff, Alaskan Malamute, Boxer, Dalmatian, Saint Bernard, and Old English Sheepdog Package includes: 1 x Dog Tactical Collar Size - Neck Adjustable - Width M - 38-47 cm - 4 cm L - 45-55 cm - 4 cm XL - 53-63 cm - 4 cm