Stylish Coffin is our full-coverage nail tip line's newest, trendiest, and most elegant style. Achieve a beautiful, lightweight set of nails without the hassle of acrylic or sculpting. Just size it, cure it and style it! EASY APPLICATION: Apply with regular instant nail glue (enclosed), or FOR LONGER-LASTING ADHESION – Use the Cuccio Pro™ Brush-On Builder (sold separately) to ensure 3+ weeks of adhesion! Follow the proper steps to achieve beautiful, substantial nail extensions with no lifting!