9 x 12 Tyvek Envelopes Tyvek envelopes in catalog size 9 x 12 are personalized with your information and are available in open ended 9 x 12 inch with a imprint area of 8.75×11.25 inches. These envelopes are made of durable Tyvek material and are used to mail important documents by any shipping method possible without the envelope being damaged. All Tyvek envelopes are made with a pressure sensitive lid. Print it 4 Less is here to for all your business envelope printing needs!
