Beauty Works - Celebrity Choice Slim Line Tape 20"The fastest salon professional method, tape in hair extensions allow you to increase revenue by offering extensions services specifically focused on speed. Create bespoke services by offering extensions for unique colour blends, colour slices, length or volume. 16 sandwiches & 48 grams per pack Our Slim line Tape system integrates into the hairline by placing the extension directly on the root of the hair using lightweight tape in hair extensions.