... smooth, free of cracks Wall Patch, namely Fiberglass patch, Drywall patch,made of fiberglass self-adhesive mesh and thin galvanized metal sheet ... keep them smooth, free of cracks. Product Characteristics:· Material of fiberglass self-adhesive mesh and thin galvanized metal sheet· Good self ... 25 days for one 20-foot container keywords: Wall patch, Fiberglass wall patch, Fiberglass patch, Drywall patch