Our 16 oz Amber Boston Round Glass Bottles accept 28-400 CT (continuous thread) closures and can be paired up with any of the closures under the Product Accessories below. Closures are sold separately. Bottles are sold by case quantity. These bottles ship in a 12-pack re-shipper carton. UV filtering properties protect light-sensitive contents. Scroll down to the From the Blog section to learn more about our Amber Bottles, Lids & Droppers.