The all medium bunlde includes 4 individually packed medium hive bodies and 1x Lid and Base kit with Queen Excluder. 
 
Why go with all mediums?
Easier to lift and inspect - better for your back!
More precisely control the addition and subtraction of hive space for the colony
 
Please note: Components of this kit are individually packed, you will receive 4x medium boxes (each individually packed) and 1x Lid/base kit