Secure Just peel and seal to create a strong lasting seal without licking or moistening. Our self seal design is quick and easy and will stay sealed with no need for tape or glue sticks. Versatile These envelopes can easily fit invoices, letters, checks, gift cards, etc. These envelopes can be used for virtually anything you need them for! Efficient Perfect for everyday business use, these standard white envelopes are crafted of heavy, durable 20lb paper and securely holds hefty files during transit. #6 Security Envelope Gummed Closure White Mailing Envelopes 9" x 12" Clasp Envelope & Gummed Seal 10x13 Self-Seal White Catalog Mailing Envelope #10 Self-Seal White Envelope 2 3/4" X 1" White Multipurpose Label 1" X 2 5/8" White Address Labels (300/Pack)… Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Customer Reviews 4.3 out of 5 stars 6 — 4.0 out of 5 stars 11 — 5.0 out of 5 stars 4 4.0 out of 5 stars 24 Price $5.49$5.49 $39.08$39.08 $5.67$5.67 $56.99$56.99 $36.99$36.99 $4.18$4.18 Category Envelopes Mailer Mailer Envelopes Labels Labels