Reccomended 40 liter internal size, that honey bee swarms are looking for.  Now shorter, and wider, even lighter weight.  w 20" long 14" tall and 9 1/2" wide and only 3 pounds.  Made from durable 4mm Gray Coroplast.  Includes molded plastic frame rests, holds 6 langstroth deep or medium frames.   The frame rests have locators to prevent frames from shifting during transportation.   Two entrance doors .  Your choice of entrance door lower or higher.  Rotatable ventilation disc.  Feeder hole in top may be punched out and accepts a feeder jar directly.  Accessory feeder hole plug is available to plug the hole for future use.  Accessory adapter bar set available to adapt bars from top bar or Warre hives. Bars also have a slot to accept a strip of wax foundation.   Made in USA  Link to youtube assembly video: https://www.youtube.com/watch?v=QmKBqKPdKAM