9x12 Tyvek First Class Mailer Envelopes - 50 Count - Open-ended Catalog Mailing Envelopes with Peel and Seal Closure, White with first class border

FIRST CLASS 9X12 ENVELOPES: These Tyvek First Class catalog mailing envelopes feature a pre-printed green border for simple identification. Lightweight and open-ended, they are practical and efficient for official mailing needs. WATERPROOF AND TEAR-RESISTANT: The durable and moisture-resistant properties help keep mail intact. The 9x12 inch dimensions and sturdy Tyvek material are ideal for shipping important documents. STRONG PEEL AND SEAL CLOSURE: These white 9 x 12 envelopes are self-sealing. Just peel off the strip under the flap to reveal the strong adhesive, then press the flap down for a secure closure. MULTIPURPOSE AND VERSATILE: These catalog envelopes have a variety of uses, allowing flat, unfolded delivery of official paperwork or promotional materials measuring 9x12x0.01 inches or less. PACK OF 15: Each pack contains 15 large mailing envelopes. The crisp, clean white surface with its First Class Mail label is made to catch recipients' attention