Personalized Nylon Military Dog Collar Canine Tactical for Medium & Large dogs Training Personalized design,we can print your pet's name/your number on the name sticker Durable nylon with soft padded liner,comfortable and breathable to wear Hook & Loop design,for size adjustment,also you can put some patches,stickers High quality zinc alloy buckle and D ring,corrosion resistant and not easy to rust Safety reflective design,keep high visibility when walk at night Quick control handle design,also can be fixed when not in use For the buckle,you can open it by press it's both sides up,when you lock it, just push it gently. Size Neck WidthTotal Length M17-20"(42-50cm)1.5"(4cm)22(55cm) L19-23"(48-57cm)1.5"(4cm)25(63cm) XL23-27"(57-58cm)1.5"(4cm)29(73cm) Tactical Dog Collar Heavy Duty with Strong Handle and Custom Print Name Patch Military Dog Collar Type:Personalized Nylon Military Dog Collar Canine Tactical for Medium & Large dogs Training 4 Colors:Black/Green/Brown/Hot Pink Material:Nylon with Soft padded Features: Personalized design,we can print your pet's name/your number on the collar Durable nylon with soft padded liner,comfortable and breathable to wear Hook & Loop design,for size adjustment,also you can put somepatches,stickers High quality buckle and D ring,corrosion resistant and not easy to rust Quick control handle design,also can be fixed when not in use Safety reflective design,keep highvisibility when walk at night For the buckle,you can open it by press it's both sidesup,when you lock it, just push it gently. Suitable for outdoor sports, training, travel, camping and hunting, durable dog training collar Fit for medium large and extra large dogs,e.g.Bull Terrier/Samoyed/Siberian Husky/Chow Chow/Bulldog/Pitbull/Labrador/ German Shepherd / Rottweiler /Afghan Hound/German Doberman pinscher/Mastiff/Alaskan Malamute/Boxer/Rottweiler/Dalmatian/Saint Bernard/Old english sheep dog.etc. You can leave us the engraving information like below: Bella * 123 456 7890 Size: Size Neck Width Total Length M 17-20"(42-50cm) 1.5"(4cm) 22(55cm) L 19-23"(48-57cm) 1.5"(4cm) 25(63cm) XL 23-27"(57-58cm) 1.5"(4cm) 29(73cm) 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.