6 Pack of 0.25 oz bottle of CND Shellac XPress5 Top Coat. CND Shellac is a designed with a unique soak off gel polish formula that is currently making it the best selling gel in the world. The Shellac gel will cure beautifully under UV lamps and will last for up to 2 weeks. The perfect mirror finish is gorgeous and will remain chip resistant making it best for manicures.