Size: 36" Wide X 75' LongMaterial: FiberglassSelf-Adhesive Open Mesh Joint Tape Designed To Reinforce Plaster Walls Against Recurring Spider Web Or Alligator CrackingOpen 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