The quadpack double tube designed to deliver complementary products, this flexible pack offers excellent price performance while taking the pain out of a traditionally difficult filling process. The quadpack double tube features two tubes sealed by a single, shared cap at the centre. Quadpack&rsquos model is designed with two detachable parts which can be filled separately on standard filling lines. The tubes come as standard with a narrow applicator and a slanted applicator. This makes it ideal for twopart treatments, such as antiageing serum and intensive moisturizer. It also enables companies to package treatment and cosmetic combinations in a single pack, such as spot cream and concealer, or lip balm and color gloss. Moreover, its polypropylene polyethylene construction means it is 100 per cent recyclable.