The Polypropylene PP28mm Screw Cap range offer a variety of different design features. These include an assortment of coloured Tamper-evident bands, options of an EPE, Polycone or PVDC faced Liner, Child-resistance and a bespoke, graduated Medicine Tumbler that is designed to fit on top of a number of Closures in the range. All Closures have a ribbed outer to provide an easy grip surface. All except the item code number C065, which is heavily ribbed, have a fine milled surface. These may be applied either by hand or mechanically.