Size: 1-7/8" Wide X 300' LongMaterial: FiberglassSelf-Adhesive Open Mesh Joint Tape Is Used To Seal Joints And Patch HolesOpen Mesh Design Will Not Trap Air That Causes Blister And BubblesSelf-Adhesive Repair Tape Requires No Pre-Plastering For Easy ApplicationResists Mold And Mildew For a Safer Environment