19 (thumbprint) ground glass. tapered fit, apothecary, jar lids. Sizes vary from 4 9/16" at the widest top of the taper to 1 9/16" to the smallest lids widest top. Ask any questions you need to.  If you need  a particular size let me know and i will measure to see if one suits you. Individually I will sell one or singles for $7.50 each or u can buy all of them as listed here.  They will be heavy if all are shipped together.