Durable material: this beehive entrance feeder is dense plastic material with a small mouth canning jar metal lid attached Easy to Observe: the bee drinking nest is very easy to observe how much water is remaining and plan accordingly without disturbing your bees Convenient: much easier to monitor and refill than internal feeders, bees will be happy to eat sugar water from feeders before nearby plants are not yet producing pollen Easy to install and to use: extended tray makes feeding more accessible inside the hive, easily install in the entrance of the hive, well constructed, easy to change and to fill Wide Application: beehive entrance feeder for spring build up or summer, beekeeping, bee feeder. This bee entrance feeder could slip water automatically save time and energy for beekeeping farmer