ESSENTIAL EQUIPMENT - Help new bee colonies establish themselves in a new hive WINTER SURVIVAL - Helps bee colonies survive the winter when food is scarce EASY SETUP - All you need is a standard mason jar and simple syrup (1 or 2 parts sugar to 1 part water) EASY TO INSTALL - Simply insert the feeder into the front of the hive. Works best with Langstroth or Warre-style hives. EASY TO MONITOR - External glass jar eliminates the need to open the hive to check on food level. Monitor food level without disturbing your colony! These durable Boardman feeders are the perfect addition to your beehive. Essential for helping establish new colonies, and helpful in ensuring a colony survives the winter, these feeders are easy to setup, install, and monitor. All you need is simple syrup and a standard mason jar. The glass jar makes it easy to monitor the food level without disturbing the bees. Made in the USA.