SIZE: M: suitablefor neck 35-45cm, its total length is 58cm; L: suitablefor neck 43-53cm, its total length is 67cm; XL: suitablefor neck 51-65cm, its total length is 75cm; Material: double layer Nylon + saigang button All-Purpose Dog Collar with Handle Available in three sizes for puppies to senior dogs this tactical collar for dogs supports active pups from 55 lbs. to 150 lbs. which is ideal for German Shepherds, Labradors, Retrievers, Boxers, Huskies, and more. Improved Comfort and Safety Offering a wider 1.5 width this heavy duty dog collar is made with lightweight, polyester webbing, boasts a heavy-duty D-ring for leashes, and provides better flexibility for running, walking, jogging, and active play. Strong, Comfortable Control Handle Ideal for dog training, patrolling, hunting, or managing your dog in high-traffic areas our dog collars for medium dogs feature an easy-grab handle for increased pet manageability. Reflective Safety Stitching A smarter tactical design for outdoor use this durable dog collar is weather resistant and features reflective stitching along the polyester webbing that makes it easier to be seen when youre walking around at night.