Routing & Production Envelopes Routing and production envelopes are a great choice for organizing and keeping track of important projects.The larger production envelopes are designed to hold sizes such as architectural and engineering drawings. Long Side Opening Routing and production envelopes are a great choice for organizing and keeping track of important projects.The larger production envelopes are designed to hold sizes such as architectural and engineering drawings. Order Now Quantity/Price Each Stock No. Overall Size (in) Insert Size (in) Gauge 100+ 200+ 500+ 1000+ 2000+ 5000+ 42092C 12 × 9 5⁄8 11 3⁄4 × 9 0.008 0.75 0.69 0.64 0.59 0.55 Contact us for better pricing! 42095C 15 × 9 5⁄8 14 3⁄4 × 9 0.008 0.82 0.76 0.71 0.66 0.62 Contact us for better pricing! 42096C 16 1⁄2 × 11 5⁄8 16 1⁄4 × 11 0.008 1.08 1.02 0.97 0.92 0.88 Contact us for better pricing! 42190C 25 × 19 1⁄2 24 3⁄4 × 19 0.012 2.88 2.82 2.77 2.72 2.68 Contact us for better pricing! Custom Custom Contact us for custom sizes!