Professional-grade white self-seal flat mailers protect sensitive documents and photos during shipping without additional stiffeners. Features durable .020 chipboard construction, peel-and-seal closure with pull-tab tear strip, and lightweight design that reduces freight costs. Sold as case of 25.
In Stock SKU: RM2SS25PK

9x11.5" White Chipboard Self-Seal Mailers - Professional Protection, 25 Pack

9x11.5" White Chipboard Self-Seal Mailers, 25 Pack. 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 11.5 in; material paper; sold as case of 25. Confirm SKU, pack count, price, availability, and checkout delivery before ordering.

$17.76 / CASE (25 PER CASE)
Order timing and shipping options show at checkout
Delivery shown at checkout
Confirm this specSKU RM2SS25PK

9x11.5" White Chipboard Self-Seal Mailers, 25 Pack: compare by usable size, material, cushioning, closure, and case quantity. Confirm SKU, sold-as unit, price, availability, and checkout delivery before ordering.

Size
9 x 11 1/2 in
Material
.020 Chipboard
Color
White
Sold as
CASE (25 PER CASE)
Freight class
60
Material
.020 Chipboard
Dimensions
9 x 11 1/2 inches
Closure Type
Peel-and-Seal Self-Adhesive with Tear Strip
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.

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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

Material.020 Chipboard
Dimensions9 x 11 1/2 inches
Closure TypePeel-and-Seal Self-Adhesive with Tear Strip
Package Quantity25 Pack (Case)
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 25. 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

Related supplies

Frequently Asked Questions

No. The Stayflats Plus mailers feature a built-in peel-and-seal closure that activates on contact. Simply peel the backing and press to seal, no tape, glue, or moisture required. This speeds up fulfillment and eliminates supply chain complexity.

Yes. The.020 chipboard construction provides rigid, puncture-resistant protection that prevents bending, creasing, and crushing during handling and transit. The sturdy flat design maintains item integrity from your warehouse to your customer's doorstep.

The integrated pull tab tear strip allows customers to open the mailer cleanly and quickly without tools or excessive force. This creates a professional unboxing experience while protecting contents until delivery.

This size accommodates standard letter-size documents (8.5 x 11"), 4x6 photographs, small product samples, apparel items, and flat merchandise up to approximately 1/4" thick without buckling. The flat profile makes it ideal for anything requiring a polished, professional presentation.

Technical Specifications

Closure TypePeel-and-Seal Self-Adhesive with Tear Strip
Package Quantity25 Pack (Case)
RecyclableYes
Color White
Strength / Material .020 Chipboard
Dimensions (Internal) 9"" × 11 1/2"" (L × W × H)

Product Downloads

Shipping Information

Outer Carton Dimensions

14.0" × 9.5" × 3.0" (L × W × D)

Unit of Measure

CASE

Qty Per Shipping Unit

25 PER CASE

LTL Freight Class

Class 60

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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