Made of fiberglass aluminum, the plaster repair kit with different sizes of drywall patch, 2 pcs 10 10 in, 2 pcs 8 8 in, 8 pcs 6 6in, which great for your drywall hole repair. And 3 pcs scrapers, 1 pairs of reusable gloves, 2 pcs 240 grits for your convenient, which are perfect for small jobs.