Product description Material: Nylon M: 35-45CM L: 43-53CM XL: 51-61CM Color: black, camouflage Suitable for: medium and large pet dogs Package content: 1*nylon adjustable dog training collar 1.SOLID QUALITY & SOLID COMFORT: Designed with thick nylon strap with thick soft cushion padded inner lining to ensure your dog's wearing comfortable and not case any irritation. 2.GREAT DETAILS FOR USER FRIENDLY: Hook & loop panel for you to add a unique military patch/name patch or morale patch for your dog, an identification to keep your pet safe after attach name patch/ ID tag in case of an emergencyping Experience is Our First Concern. 3.5 ADJUSTABLE POINTS: Durably made with comfort in mind, features a heavy duty metal D ring & metal buckle with 5 adjustable points; Easy to adjust the comfortable fit and attach dog leash. 4.SIZING OPTIONS: Available in 3 size fit medium to large sized dogs length of neck M (35-45CM); L (43-53CM); XL (51-61CM). 5.Durable:Tough durable for your dog training,hiking,working,walking,runing and hunting etc,Magic sticker on the back of the dog collar, you can put a tag with his name on it,or ID Patch,badges and other velcro accessories,make people know your dog better.