In stock SKU EN1047GTIN 50085227435175

9x12" White Redi-Seal Envelopes, 28 lb. Paper - Case of 500

Eliminate moisture sealing delays with 9x12" Redi-Seal envelopes–simply fold, press, and mail. Built from durable 28 lb. paper stock for professional mailroom and shipping operations. Sold in convenient cases of 500 envelopes for cost-effective bulk mail preparation.
$174.80 / case of 500$0.35 per mailer
= 500 mailers · Total $174.80
Request bulk pricing

Ships from the nearest of 5 US warehouses · freight calculated at checkout

30-day returns on stock items · Return policy

Inside dimensions 9" × 12"
Board / material 28 lb. Paper Stock
Color White
Freight class Class 78

Specifications

Inside dimensions9" × 12" (L × W)
Board / material28 lb. Paper Stock
ColorWhite
Sold asCase of 500
Order in multiples of1
Case weight20.96 lb
Outer carton (shipping)15.0 × 13.0 × 10.25 in
LTL freight classClass 78
GTIN50085227435175
SKUEN1047

About this item

SKU EN1047 — 9" × 12", 28 lb. Paper Stock, White. Sold as a case of 500, shipped from US warehouses.

9x12" White Redi-Seal Envelopes, 28 lb. Paper - Case of 500. Use this item for small shipments where the item fits the listed usable mailer size and does not require a carton. Listed specs include size 9 x 12 in; material paper; sold as Case of 500. Confirm SKU, pack count, price, availability, and checkout delivery before ordering.

Frequently bought with

Common questions

Do these envelopes require water or moisture to seal?
No. Redi-Seal envelopes feature a pre-applied self-adhesive strip. Simply fold down the flap and press firmly, no moisture, sponge, or tape needed. This saves time and reduces mailroom processing costs.
Are these envelopes shipping-compliant and durable enough for standard mail?
Yes. The 28 lb. paper stock provides excellent durability to withstand postal handling, sorting machinery, and transit conditions. They meet USPS and carrier standards for business mail and first-class shipping.
What documents fit in a 9 x 12 inch envelope?
The 9 x 12" size accommodates standard 8.5 x 11" documents without folding, plus photos, light merchandise, catalogs, and bulk business correspondence. It's ideal for invoices, letters, and marketing materials.
How many cases should we order for monthly mailroom volume?
Each case contains 500 envelopes. For high-volume operations, calculate your average monthly mail volume and order accordingly. Bulk purchasing provides cost savings and ensures consistent inventory levels. Contact our B2B team for volume pricing and delivery scheduling.

Order support

Questions on specs or freight?

Send the SKU, quantity, and delivery ZIP and we will confirm specs, availability, and freight before you order.

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