Tyvek® EXPANSION ENVELOPES Open Side, V-Bottom Style, Zip Stick 250/Carton Flaps Folded Tyvek SUB 14Open side Tyvek Expansion Envelopes come with an easy to use Zip Stick seal flap. No moisture needed to securely close the envelope. The opening on the long dimension makes it much easier to fit your large bulky items. As an additional service, we can custom print this envelope with up to 2 colors. If you are not sure this size will work, simply ask for a free sample to review.Home> Bulk Mailing EnvelopesBooklet Expansion Envelope SpecificationsSize: 11 X 16 X 2Brand: Dupont™ Tyvek®Weight: 14lb.Style: Booklet expansion envelopes. Open on the long dimension.Closure: Self Seal Zip Stick adhesive. No moisture needed to close.Packaging: 250 envelopes per cartonShipping: Fedex Ground Service to Continental United StatesFree!Cost: $271.89 per carton Check out my store: Check out my other items!