E-Lites CURV Regular 2.4% E-Tips Refill Pack E-Lites CURV Regular 2.4% E-Tips contain Tru Taste E-Liquid for a great tasting vaping experience. The E-Liquid is made in Switzerland with only premium ingredients including pharmaceutical grade nicotine so you be sure of its quality. E-Lites CURV Regular 2.4% E-Tips contain 2.4% nicotine per ml & are designed to fit the E-Lites CURV Electronic Cigarette