100 9 X 12 First Class Mail Tyvek Envelopes, Self Seal 9 X 12 Catalog Mailer, Ultra Strong 14lb Tear Resistant Material for Secure Mailing, Strong Peel and Seal Flap, 100 Envelopes

First Class Tyvek mailers provide security for your files during transit due to sturdy DuPont Tyvek 14lb material, which is light weight, tear resistant and water resistant Our 9 X 12 inch envelopes are the perfect size for mailing standard 8.5” x 11” letter paper, with a wide opening that saves times when stuffing up to 60 sheets inside Just peel and seal to create a strong permanent seal; No need to worry about your contents failing out during transit, even when shipping hefty material such as magazines, booklets, or stacks of paper Tearproof envelopes are moisture resistant and resist punctures and rips to provide safety for your documents during transit and are a great choice for protecting sensitive documents such as tax, legal, and financial papers Heavy duty catalog envelopes allow for organized storage of company documents or personal belongings due to their large size and Tyvek construction. Great for storing bulky items, receipts, financials, tax returns, magazines, reports and more  Your mail will be completely secure during transit We understand how frustrating it can be to stuff your envelope and worry about its safety during transit. Our 9″ x 12” Peel and Seal Tyvek envelopes easily create a strong seal so your contents are guaranteed to stay inside the envelope without the need for glue sticks or tape. Durable Tyvek construction is lightweight but extra resistant to tearing, ripping, humidity, water damage, or puncture Timesaving peel and seal flap creates a strong seal that will easily contain even heavy documents or publications during transit Save on shipping due to lightweight Tyvek which is half the weight of regular catalog paper mailers Easily Use for Organized and Secure Storage Easily label the front the envelope for address labels or to identify stored contents. Wide opening, tear proof Tyvek material, and heavy duty construction allows for storage of many different types of documents or small personal belongings from receipts, photos, or small documents to large reports, company financials, magazines, promotion materials, or tax documents