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18 x 23″ White Flat Tyvek® Envelopes (100/Case)

Tyvek® envelopes provide superior puncture, tear and moisture protection.

⏳
Currently Backordered
Expected back in stock by October 13, 2026
You can still place your order — it will ship as soon as stock arrives.

Backordered — Expected Oct 13, 2026

Price

$263.88/case · $2.64/each

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A plain white envelope with an adhesive flap, angled right on a white background. Part of our 18 x 23 White Flat Tyvek® Envelopes (100/Case), they ensure durability and security for all mailing needs.
18 x 23" White Flat Tyvek® Envelopes (100/Case)
$263.88/case · $2.64/each
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A plain white envelope with an adhesive flap, angled right on a white background. Part of our 18 x 23 White Flat Tyvek® Envelopes (100/Case), they ensure durability and security for all mailing needs.
18 x 23″ White Flat Tyvek® Envelopes (100/Case)
$263.88/case · $2.64/each
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Tyvek® envelopes provide superior puncture, tear and moisture protection. Constructed from 14 lb. olefin.
Ten times stronger than paper envelopes.
Feature self-seal closure.
Available in plain and First Class printed borders.

Additional information

Weight 15.69 lbs

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SKU: TYF1823WS Categories: Brand:

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