Washi tape is a repositionable decorative adhesive tape that can beautify any surface.
For diamond painting, you can use it on the edge of your canvas to prevent dust from sticking to the small part of the adhesive that does not contain a diamond symbol.
You can also create grids with washi tape to delineate small sections, and then you can only remove the plastic from that small square.
5 meters long x 15mm high
