Bee Pro Nucs are designed and manufactured in the USA by a beekeeper! The more you buy, the more you save! This is the 2nd generation, improved with reinforcements and different color lids and components. Great for splitting bees or catching swarms.The lids have 2 options for hive top feeding- Use a regular pop bottle or the larger allow for gallon cans The lids are reversible; option 1 vented position and you instantly double the area open for airflow, or reverse it to the non-vented to stop the airflow2 sliding doors designed to keep rain out when UP, and when DOWN let air flow but keep bees in the nuc.Nucs stack and nest when not in use for easy storage and doesn’t take up a lot of room.Please specify color options in comments section. If no color is specified, we will choose for you. Color options are blue, yellow, magenta or green.