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Quality Park Clasp Envelopes, 12 x 15-1/2, 28 lb. Kraft, Box of 100
In-store pricing snapshot
Last known warehouse price · Apr 14, 2026. Currently out of stock.
* Prices shown are for Costco members only.
Quality Park #110 clasp envelopes (model QUA37910) are heavy-duty brown kraft mailing envelopes measuring 12" x 15.5", sold in a box of 100. Made from sturdy 28 lb bond weight kraft stock, these envelopes are built for secure mailing and storage of large documents, reports, and business correspondence.
Each envelope features a dual closure system: a double-prong metal clasp with reinforced eyelets that allows repeated reuse, combined with a deep-gummed moisture-activated flap for a permanent seal when needed. Reinforced seams add durability for rugged handling during shipping and archival storage.
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