Features: Easy-to-use tool to measure Varroa mite populations in bee colonies faster and more accurately than counting mite droplets. Strong and durable plastic construction, strong and durable. Quick and easy to use, the clear bowl allows for accurate counting and reliable sampling. Easy to transport and durable, the tight-fitting lid is leak-free and comfortable to use. Efficiently designed, the two molded guide wires accommodate samples of 200 or 300 bees. The fallen mites pass through the holes in the bottom and sides of the basket.