Mailing Envelopes Provide Superior Tear, Puncture And Moisture Resistance To Protect Products During Shipping.
Mailing Envelopes feature high strength seams to keep contents intact even if over packed. Packaging supplies include self-seal adhesive closures with tear off strips that keep adhesive free from dust for a long lasting shelf life. Envelopes are constructed from durable polyolefin or olefin material to allow for greater strength than paper envelopes. Available types include Air Mail Flat Tyvek®, First Class Flat Tyvek®, Poly Mailer, Expansion Poly Mailer, and First Class Poly Mailer Envelopes. Package quantities are 50, 100, and 500. Dimensions vary per model.