Home / Facility Maintenance / Drywall Patches / WP4 4×4 Inch Drywall Patch WP4 4×4 Inch Drywall Patch Peel and Stick fiberglass mesh over perforated aluminum plate Share Select item(s) and enter your quantity. Item # pa_unit-of-measurement Price Qty WP4 each $2.15 You may also like WP8 8x8 Inch Drywall Patches $3.39 WP6 6x6 Inch Drywall Patch $2.74