LETSQK Adjustable Sizes Training personalized Martingale Nylon Dog Collar we will ship the Dog Collar within 1 days after the buyer complete payment, the shipment date may be delayed if you palce order during weekend or holiday. the expedited shipping time is around 3 to 4 days, the stanard shipping time is around 7 to 10 days(please remember, sometimes some factors such as bad weather, custom clearance, labor strike may delay the standard shipping time to 15 days, which are outside of our control, please understand that.) Fits Dog Neck Size 17" to 23" - Width 1.57" - The Total Length of Collar is 27 inches. (Please measure your dogs neck size before ordering) Made of Nylon.Protects your dogs neck from rubbing and irritation.Made for the utmost supreme comfort for your dog Available color:Black and Green Easy adjustable buckle features reflective material, Designed for safety and security in everyday use