*PLEASE NOTE THIS PRODUCT IS NOT A 100% EFFECTIVE AGAINST CODLING MOTHS/IT IS ONLY ABOUT 75% EFFECTIVE. Protect your Apples and Pears from Apple Maggot infestations. While thinning to one per cluster, usually in May or early June, slip the opening of the tan colored nylon bag, with your two index fingers, just enough to completely cover the new, ideally nickel size fruitlet. The bag will fill with the growing fruit and protect it. This product has been used succesfully by many fruit hobbyists. You can use these instead of the fruit protection bags. They are quick and easy to use! Instructions included! ($4 from the sale of each box goes to fruit disease control research at WSU Mt. Vernon station.)