Fangrui Product Details 1 Piece Approximately 4.33 X 5.31 Inches/11 X 13.5 Cm Varroa Mite Detection Jar, 1 Measuring Cup, Measuring Approximately 3.15 X 2.68 Inches/8 X 6.8 Cm, Capacity 5.1 Oz/150 Ml Varroa Check Is The Only Leak-proof Bee Mite Control System On The Market; We Use A Plastic Locking Clip System To The Product Is Leak-free; Suitable For Sugar Shakes, Alcohol Washing Or Carbon Dioxide Elimination; Just Shake And Count Just Shake It, And The Simply Fall Out Of The Filter Basket And Are Easy To Count; To Check The Health Of The Bees; Remember To Check The Acceptable Infection Rate Of Your Colony. This Design Allows Wart To Fall From The Measuring Basket So Beekeepers Can Quickly Calculate Their Mite Levels. Regular Monitoring And Checking For Are Essential To Your Hive; As A Beekeeper, You Absolutely Have To Control The Wart In The Hive. Colour:as Shown Material:plastic Package Contents: 1 Set * Varroa Mite Treatment Only The Above Package Content, Other Products Are Not Included. Note: Light Reflection And Diff