10 x 13" White "End" Self-Seal Flat Tyvek® Envelopes 100 Per Case

Durable Build – Made from 14 lb. olefin, 10x stronger than paper. Moisture & Tear Resistant – Protects contents from damage. Self-Seal Closure – Quick and secure sealing. Versatile Use – Available in plain or First Class printed options. Bulk Pack – 100 envelopes per case for efficient stocking.