The product is a new, sealed Tosoh 18762 HPLC TSKGEL Guard SuperSW column with a 4.6mm x 35mm and 4um size. Manufactured in the United States under the supervision of Tosoh, a reputable brand known for high-quality chromatography columns. This product is essential for chromatography applications in laboratories and research settings, ensuring reliable and efficient separation of components for analysis and purification.