Quality Park #10 White Letter Envelopes 500-Count, 24 lb Gummed Closure, Windowless

Quality Park #10 envelopes are white, gummed, windowless letter-size mailing envelopes sold in a value 500-count box for everyday business and home use.

These 4-1/8 x 9-1/2 inch envelopes are built from 24 lb white wove paper and feature side seams for a clean, uninterrupted front—ideal for printing, labeling, or handwriting addresses. The classic #10 size accommodates standard letter paper folded into thirds and works smoothly in inkjet and laser printers as well as in bulk-mailing equipment. With a moisture-activated gummed flap, these envelopes close securely for invoices, statements, promotional mailers, or routine household tasks like budgeting and coupons.

How do these envelopes simplify everyday mailing?

They accept tri-folded letter sheets and many common document sizes without trimming or adjusting, keeping mailing tasks fast and consistent. The windowless front eliminates alignment checks and simplifies hand-addressing and bulk printing. Made from midweight paper, they balance economy and durability for routine mailing needs.

• Fits standard 8.5 x 11" folded into thirds
• Bright white face for clear printing and neat handwriting
• Gummed seal secures contents after moistening
• Side seams create a smooth front for labels or logos

Will these envelopes work with my printer or mail machinery?

Yes — the envelopes are compatible with both laser and inkjet printers, enabling in-house stationery printing and addressing. They’re also suitable for many high-volume mail inserters, letting you process invoices and statements efficiently. For printed marketing pieces, they accept standard office printing without special templates.

• Laser- and inkjet-friendly 24 lb paper
• Machine-insertable for bulk mailing equipment
• Consistent size reduces printer jams and misfeeds
• Windowless design removes the need for alignment templates

How sturdy and secure are Quality Park #10 envelopes?

The 24 lb white wove stock provides a reliable weight for everyday mailing while remaining economical for large quantities. Side seams and a firm gummed flap give a tidy finish and a dependable closure once moistened. These envelopes are intended for standard documents and light enclosures rather than heavy or bulky contents.

• 24 lb paper offers moderate tear resistance
• Side-seamed construction adds structural integrity
• Gummed closure creates a tight seal after moistening
• Not designed for heavy or oversized inserts

How many envelopes are included and what sizes do they fit?

Each box contains 500 no-window #10 envelopes, a common supply level for offices and households that mail regularly. The internal dimensions suit letter-sized pages folded into thirds, brochures, invoices, and slim promotional pieces. Storing a box saves repeated purchases and keeps you prepared for batch mailings.

• 500 envelopes per box for extended use
• #10 dimensions: 4-1/8 in x 9-1/2 in
• Compatible with tri-fold letters and slim documents
• Value-packed for offices, schools, and home use

Who is this for: Quality Park #10 envelopes suit small businesses, nonprofit mailrooms, accountants, schools, and households that send regular paper mail. They’re a practical choice when you need an affordable, printer-friendly envelope in a standard business size—great for billing, statements, promotional mail, and everyday correspondence where a clean, windowless front is preferred.