Lewtemi120 Pcs Mason Bee House Tube Refill Cardboard Bee Tube Paper Mason Bee Tube Beekeeper Cardboard Insert Beekeeping Supplies for Solitary Beehive House Garden Pollinator Bee House Nest Tube

These are great. Did away with the wood blocks.

Bought these as replacement tubes for existing bee house. I like the removable paper inserts. The tubes are a tad bit too short for my house, but it’s not a big deal.

Was to be 60 brown tubes and 60 white tubes to total 120 tubes. Received 50 brown tubes and 60 white tubes for a total of 110. Box clearly stated 120 Pcs Mason bee tubes

The tubes are somewhat too short (only 5 inches) for best Mason bee and Orchard bee rearing; you are likely to rear mostly males from these short tubes. Better tubes for rearing balanced females and males are longer (6-7 inches) and you can get these for essentially the same price from other suppliers. Second, don't be fooled by the advertized number "120 pieces"; this includes 60 brown outer tubes and 60 white inner tubes, and you have to assemble these yourself. From other suppliers, you can get for essentially the same price 120 assembled tubes (= 120 brown outer tubes plus 120 white inner tubes). Third, the brown outer tubes are not closed on one end (to help protect the bees from parasitoids and predators), and other suppliers sell outer tubes with one end closed. These nesting tubes are bad for bees. Buy these tubes only if you want your bee population to die quickly.