These cardboard tubes are ideal for building your own bee & bug hotel. They will attract a variety of insects such as solitary bees for nesting or other garden invertebrates seeking shelter over winter. Globally bee populations and insects are in steep decline. Without bees to pollinate our crops the human race will be in big trouble. Similarly less glamorous garden invertebrates such as spiders and lacewings are at the base of the animal ecosystem, so birds species in particular are under threat if the we don\'t encourage and protect our invertebrates in our garden. White Cardboard pack of 30