Zinc Plated Bee Hive Sliding Mouse Guards Travel Gates Beekeeping Equipment Use these in the autumn when mice or other rodents may be looking for a warm winter retreat, prevent the nasty little critters from eating honey, pollen and even the bees, destroying comb and generally disturbing the brood nest. New design can easily be removed or reversed to use as a travel gate. The arches are ample size to allow bees freely in and out.