Comfortable rubber or EVA soles for your home slippers.Stitching is easy to felted or crocheted slippers. Comfortably fit on the foot, protecting against wet and cold floors.European NumberingNot suitable for sneakers, running shoes or boots. The soles are suitable for slippers, for indoor use. EVA Rubber- Please search for information in Google+ or your friends or read on Wikipedia (the article is quite detailed) about what an EVA rubber is.When purchasing "one item" you will get two soles - one left and one right (one pair)Combining postage - for each additional item + 1.00$ Delivery to Europe - 5 to 15 business days. Shipping to the US and the rest of the world - 20-40 days