Gum paper tape is the traditional method used by many framers to seal the backs of framed pictures it is ideal for sealing the back of framed pictures and many other general purpose hobby and craft applications gum paper tape is very easy to work with at simply apply water to the tape to make the adhesive moist and tacky it can also be easily stuck to itself for easy overlapping on frames and much moreideal for sealing the back of pictures70 gsm thick tape48 mm x 35 metre rolleasy to useca