Pattern: Wire gauze woven in the pattern of plain weave, square opening. Uses: Protect you from mosquitoes, bugs and insects, safeguard for buildings Mesh Wire Gauge (mm) Size 12 X 12 0.23,0.25 Width: 2to 6 Length: 50 to 300 14 X 14 0.21,0.23,0.25 16 X 16 0.21,0.23,0.25 18 X 18 0.19,0.21,0.23,0.25 22 X 22 0.17,0.19,0.21,0.23 24 X 24 0.17,0.19,0.21