Dog collar is made of nylon with padded neoprene rubber material. This material is durable, fast dries, flexible and ultra soft. This nylon dog collar is a classic yet stylish collar that comes in 12 colors and 4 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. Quick release premium ABS made buckles, easy to adjust length and put it on/off. The plastic buckle is curved for your dog's comfort. Small Width 0.4", Neck Size 7-11", Medium Width 0.6", Neck Size 9.8-15.7", Large Width 0.8", Neck Size 13"-21.7",XLarge Width 1", Neck Size 15.7-25.6",this price includes S, the price does not include the tow rope.