We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
White #10 window envelopes with vertical embossed ridges, 500-count box

Quality Park

Quality Park 21330 #10 Window Envelope White 500 Box

SKU CH-8MY4-9NMYX MPN 21330

White #10 window envelopes with embossed vertical ridges, 24 lb weight, 500 per box

  • Product typeBusiness Envelopes
  • Key featuresEmbossed Vertical Ridges
  • Product colorWhite
  • Embossed vertical ridges add a distinctive business image
  • High-quality poly window protects contents while showing address
  • 24 lb weight provides sturdy feel for professional mailings
  • Standard #10 size fits common business correspondence
  • 500 envelopes per box supplies high-volume mailing needs

Quality Park #10 Window Envelopes

These embossed business envelopes come in a 500-count box and feature a poly window for address visibility. The white stock carries vertical ridges that add a distinctive professional appearance without interfering with printability. They suit offices that send high volumes of standard correspondence.

Before ordering

Confirm your printer or copier feeds #10 size envelopes without jamming. Check that the 24 lb. weight is compatible with your equipment specifications. Ensure your mailing processes use window envelopes so the poly panel aligns with address blocks. Buyers who need non-window styles or heavier stock should select a different product.

Build and daily use

The embossed ridges provide a tactile premium feel while the poly window resists tearing during handling. Standard #10 dimensions fit common business letter folds and filing systems. The 500-count box supports extended mailing runs without frequent reordering. White colour maintains a clean, consistent presentation across all outgoing mail.

How it compares

Measured against everything we stock in Document Envelopes & Pouches, at today’s prices. Recalculated every night.

Price $68.99
Pricier than about 59% of the 638 comparable items (median $61.99).

Specifications

Product
Brand nameQuality Park
Model name21330
Product typeBusiness Envelopes
Product colorWhite
Size & build
Shipping weight2.81 kg
Package size333 × 254 × 109 mm

Questions about this item

Does the 500-count box of Quality Park 21330 envelopes include any additional inserts or must they be purchased separately?

The box contains 500 white #10 envelopes with poly windows and embossed vertical ridges; no extra inserts are included and none are required for standard mailing use.

Should I choose the 24 lb weight version for everyday business mail or a heavier stock?

The 24 lb weight is the regular No. 10 specification for this model, providing a professional feel suitable for routine business correspondence.

Will the embossed vertical ridges on these 21330 envelopes interfere with laser or inkjet printing?

The manufacturer states the ridges do not affect printability, so both laser and inkjet printers can address the envelopes without issue.

More in Document Envelopes & Pouches

Similar items