3M masking tape 2308 is a general purpose masking tape designed with a natural rubber adhesive that sticks easily and instantly. 3M masking tape 2308 provides good holding power that resists lifting or curling and is an excellent, easy-to-use solution for a wide variety of applications. - Natural rubber adhesive for good instant adhesion. Good holding power delivers resistance to lifting or curling. Crepe paper backing helps maintain form and adhesion when tape is applied around corners.