These large 500ml jam jars are classic round glass jars with lids, perfect for preserving pickles, honey, and other goodies. They are airtight, reusable, BPA free, and easy to clean. With a microwave-safe and multipurpose design, these clear jars are ideal for storing various items in the kitchen. The discounted price is because I'm am looking for a quick sale, 50p per jar is a very good price, for 500ML Glass jars, so for this reason I won't be willing to negotiate on price. Please note that there are 1000 jars with lids in this set.