Wooden Bee Tubes x 50 Help save the native bumble bee with these 7 10mm cardboard Bee Nesting Tubes. The nesting tubes are suitable for fitting inside existing bee boxes or for making your own bee nester. The bees will lay their eggs inside the tube therefore the tubes need to be well insulated within the box or placed in an outhouse during winter. Height 100 mm, Width 150 mm, Depth 100 mm