Value Pack Content: our urine strainer for kidney stones contains , 12 pieces, the kidney stone collector for the toilet is lightweight and the right size for easy carrying around which can meet the use needs of different people and are suitable for home and medical institutions Durable Material: this kidney stone strainer is made of plastic, which is sturdy and durable, which has an ideal fine mesh bottom for unobstructed flow; This material can be rinsed and cleaned after each use, allowing patients to reuse the filter many times Funnel with Strainer: this urine collection hat for the toilet has a fine mesh filter firmly fixed at the bottom, designed to quickly and easily catch and filter small kidney stones and other substances in the urine; For those who need to filter stones and send samples to the laboratory for analysis, this kidney stone strainer is a must have product Easy to Operate: the kidney stone collection funnel has a built in pull ring, which is easy to operate and can improve hygiene efficiency; It can be easily placed in the 24 hour specimen urine collection hat for toilet funnel with strainer and the about 5 inch wide top allows you to easily collect the fine particles in the urine stream without making a mess; Then you can return to the doctor for observation after using the urine collection hat for the toilet funnel with the strainer Wide Application and Easy to Clean: this kidney stone collection filter is a useful tool for urine analysis and kidney stone tests; The pure white design can easily catch and find most small particles, suitable for use at home, medical institutions, nursing homes, etc., where kidney stones need to be collected; Colour:White Material:plastic Package Contents: 12 x Kidney Stone Strainer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.