designer's own words:teqnique- used plastic bags heated and pressed into a mold with an extra fresh bag welded on top(as the handle). one medium bowl contains approximatly 25 bags. This is a very quick process and is easy to apply. The product can be used to carry food outdoors (a picnic or for pets etc...) or keeping it fresh before serving. The bowl shapes to its content , it is washable and reusable.