Eliminate moisture-sealing delays with these white self-seal envelopes. Simply peel and seal in seconds with durable 28 lb. paper construction. Perfect for high-volume mailrooms‚500 envelopes per case ensure consistent, professional shipping compliance.
In Stock SKU: EN1071

15.5 x 12 White Self-Seal Envelopes 28lb Paper - Case of 500

15.5 x 12 White Self-Seal Envelopes 28lb 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 15.5 x 12 in; material paper; sold as Case of 500. Confirm SKU, pack count, price, availability, and checkout delivery before ordering.

$174.80 / CASE (500 PER CASE)
Order timing and shipping options show at checkout
Delivery shown at checkout
Confirm this specSKU EN1071

15.5 x 12 White Self-Seal Envelopes 28lb Paper - Case of 500: compare by usable size, material, cushioning, closure, and case quantity. Confirm SKU, sold-as unit, price, availability, and checkout delivery before ordering.

Size
15 1/2 x 12 in
Material
28 lb. Paper Stock
Color
White
Sold as
CASE (500 PER CASE)
Freight class
78
Material
28 lb. Premium Paper Stock
Dimensions
15 1/2" W x 12" H
Color
White
Good fit for

Good fit for small shipments where the item fits the listed usable mailer size and does not require a carton. Confirm usable size, closure style, cushioning, and whether the item needs a rigid box instead.

Check before ordering

Confirm size, material, fit, sold-as quantity, SKU, price, availability, and checkout delivery before ordering.

Buying a larger quantity, matching this to an existing SKU, or setting up a repeat order?

Request quote help
Secure checkout | Delivery shown at checkout |

Best For

Good fit for small shipments where the item fits the listed usable mailer size and does not require a carton. Confirm usable size, closure style, cushioning, and whether the item needs a rigid box instead.

How to Choose the Right Packaging

The buying decision should be based on the exact usable size, material, cushioning, closure, and case quantity, not the category name alone. Use the current product page as the source of truth for SKU, variant, price, availability, sold-as unit, and checkout delivery.

Specs at a Glance

Material28 lb. Premium Paper Stock
Dimensions15 1/2" W x 12" H
ColorWhite
Quantity Per Case500 Envelopes
RecyclableYes
Common Use Cases
  • Shipping small ecommerce orders, samples, apparel, parts, or documents that fit the listed mailer size.
  • Reordering mailers by size, material, closure, and case quantity for packing stations.
  • Reordering by exact product link, SKU, or sold-as quantity.
  • Adding the item to a mixed-SKU or recurring supply request when quantity, delivery ZIP code, or timing matters.
What You'll Receive
  • This listing is sold as Case of 500. Check the current product page for variant details, price, availability, and pack count before checkout.
Shipping & Packaging

Delivery options and timing are shown at checkout based on item and destination. For larger quantities, freight-sensitive items, mixed-SKU needs, or recurring supply, send the product link or SKU, quantity, delivery ZIP code, receiving notes, and timing to support@packrift.com.

Frequently Bought Together

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Frequently Asked Questions

Use 15.5 x 12 White Self-Seal Envelopes 28lb Paper - Case of 500 when your item or workflow matches small shipments where the item fits the listed usable mailer size and does not require a carton. Check the live product page against your needs before ordering.

Confirm usable size, material, cushioning, closure, and case quantity. This listing is summarized by size: 15.5 x 12 in; material: paper; quantity: Case of 500. Use the current SKU, variant, price, availability, and delivery options shown on the product page.

Yes. For larger quantities, mixed-SKU orders, or recurring supply, send Packrift the product link or SKU, quantity, delivery ZIP code, receiving notes, and timing.

Delivery options and timing are shown at checkout based on the item, quantity, and destination. For larger, freight-sensitive, or mixed-SKU orders, request a quote before placing the order.

Technical Specifications

Quantity Per Case500 Envelopes
RecyclableYes
Color White
Strength / Material 28 lb. Paper Stock
Dimensions (Internal) 15 1/2"" × 12"" (L × W × H)

Product Downloads

Shipping Information

Outer Carton Dimensions

16.25" × 14.0" × 13.0" (L × W × D)

Unit of Measure

CASE

Qty Per Shipping Unit

500 PER CASE

LTL Freight Class

Class 78

Delivery Method

Shown at checkout

ORDER SUPPORT

Product Support

We aim to show product specs, case quantities, and availability clearly. Contact support if an item does not match the listed product details.

Secure checkout LTL freight available on case/skid orders

Buyer guides

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