The product is a lot of 13 Pyrex 500ml and 1000ml glassware items, specifically Pyrex No. 1080 and No. 1000. These items are intended for use in biological laboratories. Pyrex is a well-known brand known for its precision and durability, making it a reliable choice for scientific research and medical applications. The 500ml and 1000ml sizes provide versatility for various experiments and procedures, while the USA-made quality ensures a high standard of excellence in lab work.