Papercone Corporation is an industry leader in envelope manufacturing. Papercone specializes in manufacturing small, large, j ... umbo and expansion products made with materials like DuPont™ Tyvek®, TerraBoard®, Tri-Brite®, Herculink®, FiberCraft EF®, and Kraft. Papercone has extensive printing, finishing, and manufacturing capabilities for packaging and mailing industry. If you need a custom envelope for your company, Papercone has your solution! read more