Recombigen Laboratories Urine Containers are manufactured from the high-grade medical material to use for collecting a wide range of samples of sputum, urine, etc These urine cups come with good packaging to ensure the cup is sterile. Clear transparency to check the amount of sample. The container is leakproof when the cap is properly tightened. - High-Grade Quality - Blue Cover Caps - Leakproof Recombigen is a manufacturer/distributor of quality medical and lab equipment products. A company that will offer you the best quality at the best price.