... , easy to use, to keep them smooth, free of cracks Wall Patch, namely Fiberglass patch, Drywall patch,made of fiberglass self ... : 4"x4", 6"x6", 8"x8"· Each piece stapled on paper card· Common package: 10 pcs with plastic-film, 50 pcs ... time: 20-25 days for one 20-foot container keywords: Wall patch, Fiberglass wall patch, Fiberglass patch, Drywall patch