Cornucopia Brands 18-Pack of 30-Count Blank Egg Trays These egg trays have so many uses you will be glad you got 18. Here are some possible uses: Store and transport eggs Separate eggs in an incubator Create arts & crafts or children's play material Sort or separate small parts or even ship small or fragile parts Create insect nests for feeder bugs (popular for roaches and crickets)--yes roaches LOVE nesting in cardboard / pulp Make fire starters FEATURES: All biodegradable chemical-free material with no dyes, can be composted or burned with no environmental harm Made of recycled pulp Each tray holds 30 eggs from size small to jumbo Stackable empty or filled 18 trays included Made in the USA