NEW Factory Sealed Covergirl LineBlast 24 Hour Felt Tip Eyeliner. Smoothly glide on LineBlast 24HR to design your eye look that lasts for up to 24 hours! Our long lasting formula will get you noticed hour after hour. Use with lashblast 24HR for a blast of lush, volumized lashes and a total look that last up to 24 hours!Application tip: Apply close to lashes, working from the inner corners outwards. Place cap tightly on product after use.