Type:Nylon Dog Training Collars Canine Military Tactical Collar for Medium & Large dogs 4Colors:Black/Green/Yellow/Camouflage Material:Nylon with Soft padded Features: Adjustable size ,easy wear and take off This collar can be stick some patches,like Reflective card,Flag,and other label Durable metal buckle and D ring Durable enough for walking training use Keep in control:Agility,Traffic,Sports,Training,All day Available for 2 sizes.fit formedium large and extra large dogs,e.g.Pitbull/Labrador/German Shepherd/Rottweiler/Beagle/Terrier.etc. Size: SizeNeck Width Total Length L47-57 cm(18.5-22.5") 1.5"(4cm) 26.5"(67cm) XL55-65 cm(21.5-25.5") 1.7"(4.5cm) 29.5"(75cm) Note: Please measure the neck size of your dog before you make an order,thanks . Adjustable Tactical Dog Collar Military Nylon Heavy Duty Metal Buckle & Handle Type:Nylon Dog Training Collars Canine Military Tactical Collar for Medium & Large dogs 4 Colours:Black/Green/Yellow/Camouflage Material:Nylon with Soft padded Features: Adjustable size ,easy wear and take off This collar can be stick some patches,likeReflective card,Flag,and other label Durable metal buckle and D ring Durable enough for walking training use Keep in control:Agility,Traffic,Sports,Training,All day Available for 2 sizes.fit for medium large and extra large dogs,e.g.Pitbull/Rough Collie/Boxer/Doberman/Afghan Hound/Saint Bernard/Mastiff/Labrador/ German Shepherd / Rottweiler /.etc. Package Include:1x Dog Collar Size Neck Adjustable Width Total Length L 18.5-22.5"( 47-57cm) 1.5"(4cm) 26.5"(67cm) XL 21.5-25.5"( 55-65cm) 1.7"(4.5cm) 29.5"(75cm) Note: Please measure the neck size of your dog before ordering.That's important! Please allow 0.5-1 inch(1-3cm) error due to manual measurement.