Packrift's 9x11.5" Stayflats® do not bend mailers combine professional protection with cost-effective shipping for e-commerce brands. White recycled paperboard construction with self-seal, pressure-sensitive closure and pre-printed Do Not Bend messaging. Sold by the case (100 units).
In Stock SKU: RM2DNB

9x11.5" Stayflats® Do Not Bend Mailers - White Paperboard, Case of 100

9x11.5" Stayflats® Do Not Bend Mailers - White Paperboard, Case of 100. 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 100. Confirm SKU, pack count, price, availability, and checkout delivery before ordering.

$58.60 / CASE (100 PER CASE)
Order timing and shipping options show at checkout
Delivery shown at checkout
Confirm this specSKU RM2DNB

9x11.5" Stayflats® Do Not Bend Mailers - White Paperboard, Case of 100: 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
Paperboard
Color
White
Sold as
CASE (100 PER CASE)
Freight class
60
Material
100% Recycled Paperboard
Dimensions
9 x 11 1/2 inches
Closure Type
Pressure-Sensitive Self-Seal 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.

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

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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

Material100% Recycled Paperboard
Dimensions9 x 11 1/2 inches
Closure TypePressure-Sensitive Self-Seal with Tear Strip
Quantity Per Case100 Mailers
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 100. 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

Yes. The rigid paperboard construction provides excellent puncture and bend resistance, protecting sensitive contents like photographs and documents from damage during handling and transit. The material thickness prevents items from being creased or damaged by sorting equipment.

The pressure-sensitive adhesive strip requires no water activation or tape, simply peel and press for a secure, professional seal. The closure is reliable enough for standard postal and parcel services, and the included tear strip makes opening easy for customers.

These mailers are designed for lightweight to medium-weight items such as photographs, documents, soft apparel, and promotional materials. For heavier items, consider reinforced chipboard mailers with greater cushioning.

Yes. They're made from 100% recycled paperboard and are fully recyclable, making them an excellent choice for brands committed to sustainability. The lightweight design also reduces shipping emissions compared to heavier mailer options.

Technical Specifications

Closure TypePressure-Sensitive Self-Seal with Tear Strip
Quantity Per Case100 Mailers
RecyclableYes
Color White
Strength / Material Paperboard
Dimensions (Internal) 9"" × 11 1/2"" (L × W × H)

Product Downloads

Shipping Information

Outer Carton Dimensions

14.5" × 10.25" × 9.5" (L × W × D)

Unit of Measure

CASE

Qty Per Shipping Unit

100 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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