Material:durable PU leather+Stainless Steel; Standard Shipping: usually 10-17 Working days after it shipped. But there is no such option for us to choose in Amazon's System but "17-28 days". So you will find the Estimated Delivery Date too long. In fact it is not ture.If it is busy season, the logistics may be delayed. Size(cm/inch):total long-54cm/21.2''; width:2.5/10.98''; Don't soak in water. Studded leather style, soft and comfortable 4 holes for adjustment, suitable for small and medium dogs.