Bulk White Tyvek Envelopes, Self Seal - Catalog - SUB 14White DuPont Tyvek envelopes come with an easy to use peel and seal closure. No moisture needed to make these stick. This soft packaging solution is a favorite with eCRATER sellers and small businesses across the country. We stock these plain but can easily custom print your marketing message on the outside for additional cost. The term SUB 14 refers to the weight of the substrate. Catalog designates the opening is on the short dimension. Let me know if you have any questions.Tyvek Envelope SpecificationsSize: 10" X 13"Style: Catalog (open-end)Closure: self seal zip stickPackaged: 500 envelopes per cartonCost: Single carton price $166.00Discount: Multiple carton discounts. Make an offer now!Need a different size? Check out my other items!Tyvek Envelopes send the right message to your customers.Not sure? Ask for a free tyvek 14#envelope sample.