Ruff Wear chain martingale collar. Color: Purple Size: M 36-51cm Used once and then stored at home. Although there is no feeling of use, please understand that it has been stored at home for a long time before purchasing. We do not accept returns, so please ask any questions before purchasing. We usually ship within 1-2 days, but we may go on a sudden business trip. If you are in a hurry, please contact us in the comment section before purchasing. We are reviewing the price from time to time. We are selling at a low price including shipping, so we cannot offer a significant discount. (If you purchase multiple items, please consult us in the comment section) #Medium-sized dog #Border Collie #Labrador #Montbell #Dog training