Type:Dog Tactical Military Collar for German Shepherd Walking Training 4Colors:Black/Green Camouflage/Yellow/Yellow Camouflage Material:Nylon+Metal buckle Features: 100% brand new and high quality Metal D ring convenient for attaching to dog leash. With double pin buckle,easy for adjustment. Removable elastic band,more easier to use. Nylon surface and soft lining,durable and comfortable for your pet to wear. This collar can be stick some patches,like Reflective card,Flag,and other label. Military collar,suitable for medium large dogs. Keep in control:Agility,Traffic,Sports,Training,All day Available for 3 sizes.fit for medium large and extra large dogs,e.g.Bull Terrier,German Doberman pinscher,nt schnauzer or Munich schnau,Rottweiler,German Shepherd,Old english she Tactical Dog Collar Training Heavy Duty Thick Nylon Webbing Large Dog Collar Tactical Dog Collar Type:Dog Tactical Military Collar for German Shepherd Walking Training 4Colors:Black/Green Camouflage/Yellow/Yellow Camouflage Material:Nylon+Metal buckle Features: 100% brand new and high quality Metal D ring convenient for attaching to dog leash. With double pin buckle,easy for adjustment. Removable elastic band,more easier to use. Nylon surface and soft lining,durable and comfortable for your pet to wear. This collar can be stick some patches,like Reflective card,Flag,and other label. Military collar,suitable for medium large dogs. Keep in control:Agility,Traffic,Sports,Training,All day Available for 3 sizes.fit for medium large and extra large dogs,e.g.Bull Terrier,German Doberman pinscher,nt schnauzer or Munich schnau,Rottweiler,German Shepherd,Old english sheep dog,Labrador,Rough Collie,Alaskan Malamute,Pitbull.etc. 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 you make an order,thanks . Please allow 0.5-1 inch(1-3cm) error due to manual measurement.