Cover base Opal Edlen Cover base Opal Edlen – these are the very bases beloved by Edlen fans, now available in an updated formula! The palette offers shades for every taste, from nude to bright, so everyone can choose their perfect one. All bases have a convenient, oily consistency, self-level beautifully, and are very comfortable to work with. Thanks to the ideal pigment concentration in Edlen bases, they provide excellent and quick coverage of the natural nail plate. Cover base Edlen Professional – high-quality pigmented bases that save time for every nail artist.