Strong & Light Weight Mesh Hatching Bag for pedigree hatching in your incubator. Very stretchable, will hold one to a dozen or more eggs. Keeps chicks seperated after they hatch for marking purposes, to track in single mating breeding records. Can tie open end of bag closed with a simple knot, so bag can easily be reopened as many times as needed. Click on the picture to enlarge it. Picture to the left is how they look when you receive them.