Purchase this high quality Queen Excluder and place it between your brood frames and your honey frames. It is designed to sandwich between two supers. It will allow the worker bees to pass freely into all areas of the hive, while excluding access to the queen bee to the area above the excluder (the queen MUST be below the excluder when you install the excluder). Product Features:This is a single excluder that Fits a 10-frame Langstroth hive or 7-frame Flow HivePrevents queen access to honey supers Prevents brood growth in honey supersThis plastic excluder is molded, not stamped. No sharp edges to damage your beesIt is made from Food Grade Polypropylene which is PBA freeLess Susceptible to UV damagePrecision hole sizing Product Specifications:Brand: Hardy BeesModel: HB10FEManufacture Part Number: HB1FEApproximate Product Dimensions: 20″ x 16.5″ x 0.13″ (Length x Width x Height) Purchase your Queen Excluder today, and we will ship it within one business day! It has a 60 day money back satisfaction guarantee, if you are not completely satisfied with this queen excluder, simply ship it back to us and we will gladly refund your money! Buy Now!