... 4.Material:polyester 5.ISO9001 certificate 100% polyester screen printing facricmesh screen, screen print, 100% polyester fabricFeatures: stable tension, ... x 1/2"12.7mm x 12.7mm16,17,18,19,20,21,22,235/8" x 5/8 ... 1-1/2"38mm x 38mm14,15,16,17,18,19 Mesh countDiameter(um)Opening(um)Open area (%)Thickness ... arts and crafts and mobile telephone dustproof aspects. 100% polyester mesh for screen printing