These are 1oo% pure Carniolan Bred in Slovenia. These are a wonderful breed of Bee. I only have a few spare so you have to be quick. they are a hardy bee that overwinter well totally non-aggressive to the beekeeper stay calm on the frame when you're doing your inspections don't collect sticky propolis. contrary to belief they are not prone to swarming. Free post. Advice can be given if you need it.