Big Box: Unbeatable 600 nesting tubes in one box. Perfectly tailored to the needs of a wide range of bees, because 15 cm length a mixture of 6 and 8 mm are the perfect species-appropriate filling for your bee hotel. Durability: The special composition of the high-quality materials makes these cardboard tubes particularly moisture resistant and water-repellent. This makes the tubes a species-appropriate and safe accommodation for the young brood. Expert tip: cardboard tubes can be easily shortened and combined with other tubes and straws, for example made of straw, reed or bamboo. So you can create a varied bee house that suits every genus. NO RISK: Should we have missed, brood sleeves arrive crushed or otherwise damaged in the shipping route, there will be money back - GUARANTEED. It is important to us that you are satisfied with our nesting tubes