Applicable Scope: Normal wallpaper, PVC thick wallpaper, non-woven fabric, fabric wallpaper, old foil wallpaper and other special materials Effect: Used for wallpaper on both sides of rolling intersection to prevent wallpaper edges Material: Stainless steel; Color: silver long life, flexible operation, more effective double metal to strengthen rolling and wallpaper adhesion to wallpaper features: Stainless steel for long service life, easy to use, and most effective improvement in the bond between flat wallpaper and wall.