We manufacture Continuous Thread (CT) Closures in sizes from 28mm to 110mm. Choose from styles with smooth or ribbed sides and a smooth or matte top. Our CT Closures work well with our bottles to package a variety of products, from solid dose tablets, capsules, and softgels, to liquids and powders. All of our raw materials are FDA-approved and ASTM-tested; and we manufacture every product in the USA.