PREMIUM MATERIALTactical dog collars is made of 1000D high-quality nylon fabricnd strong metal buckle which is very durable. Soft and comfortable padded inner wont irritation to pet skin and can protect dogs neck well. DOUBLE SECURITYMilitary training dog collar adopt integrated collar,magic sticker and quick release metal clasp dual design that offers double security for your dog. Metal buckle is adjustable, easy to put on and take off, you can change the length of collar based on dogs neck size. CONTROL HANDLEAdjustable Nylon Dog collar has special control handle, can efficiently control your dog when training, patrolling, walking, jogging, hunting, running, its perfect for medium and large dog. CLASSIC COLLARThis Buckle training dog collar is a classic yet stylish collar that comes in 4 colors and 3 sizes so you can find just the right one for your dog. A separate loop on the collar makes it easy to add dog tags and leashs onto the collar. ADJUSTABLE LENGTHPlease take measurement of your dog's neck circumference before order placed to ensure the collar is fit well to your dog.. M - 1.5"x(13.5-16.5") ; L - 1.5"x(17-20.5"); XL - 1.5"x(20-24"). Ideal personalized dog collars for small medium large boys & girls.