These Quicklock Mason Bee Stacking Trays are made from biodegradable corn are interlocking and long lasting. Easy to assemble and clean, you can create your own shelter design (try a birdhouse look or a pipe) to protect the trays from weather. Set the stack of 5 (2 part) trays horizontally into a dark container 5-8cm (2-3″) deeper than the 15cm (6″) trays. One set of Quicklock Mason Bee Stacking Trays provides 30 nesting sites.
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- Constructed from biodegradable corn
- Easy to snap together
- Easy to separate for cleaning
- Fewer losses to wasps
- Convenient for transporting cocoons