A case of 288 white polypropylene caps, 58mm/400, with polyvinyl-coated liner (Fisher Brand Cat. No. 02-912-086)
Will fit 4 oz. straight-sided, wide mouth jars or tall straight-sided, wide mouth 8 oz. jars.
Cost $265 at https://www.fishersci.ca/shop/products/wheaton-white-polypropylene-caps-polyvinyl-liners-13/0298448?keyword=true
Selling at great rebate!