Polypropylene exterior is moisture puncture and rip resistant.Envelope Size: 8-1/2 x 12.Seam Type: Side.Envelope/Mailer Interior Dimensions: 8-3/8 x 10-3/4.
Applications - weld cleaning, stringer bead weld cleaning, removal of weld spatter, heavy encrustations, scale, flash removal, deburring, roughening for adhesion.4 x 6. Constructed for even balance which provides smooth performance.9 x 5 in.