In Stock SKU: RMU119W

9x11.5" White Chipboard Self-Seal Mailers - Lightweight & Eco-Friendly, Case of 200

Professional 9x11.5" white stayflat mailers with pressure-sensitive self-sealing closure and tear strip. Made from 100% recycled chipboard and 100% recyclable. Lightweight design reduces shipping costs while protecting documents, photographs, and promotional items in cases of 200.

$89.48 / CASE (200 PER CASE)
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Confirm this specSKU RMU119W
Size
9 x 11.5 in
Material
.018 Chipboard
Color
White
Sold as
CASE (200 PER CASE)
Freight class
60
Material
.018 Chipboard (100% Recycled)
Dimensions
9" W x 11¬Ω" H
Closure Type
Pressure-Sensitive Self-Seal with Tear Strip
Good fit for

E-commerce brands shipping soft goods, photos, and documents need reliable, cost-effective mailers that maintain professional presentation. These 9" x 111/2" white stayflats deliver lightweight protection with.018 chipboard construction, reducing dimensional weight charges while keeping your brand looking polished.

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Best For

E-commerce brands shipping soft goods, photos, and documents need reliable, cost-effective mailers that maintain professional presentation. These 9" x 111/2" white stayflats deliver lightweight protection with.018 chipboard construction, reducing dimensional weight charges while keeping your brand looking polished.

How to Choose the Right Packaging

The pressure-sensitive self-seal closure with integrated tear strip enables fast, secure sealing without tape or equipment, while the rigid chipboard body resists punctures and crushing. Side-loading design simplifies packing workflows, and 100% recyclable material aligns with sustainable brand values, differentiating your shipments competitively.

Specs at a Glance

Material.018 Chipboard (100% Recycled)
Dimensions9" W x 11¬Ω" H
Closure TypePressure-Sensitive Self-Seal with Tear Strip
QuantityCase of 200 Mailers
RecyclableYes
Common Use Cases
  • Mailing photographs, prints, and art samples Shipping documents, contracts, and promotional inserts Packaging soft apparel, textiles, and non-fragile goods E-commerce brand fulfillment with professional presentation Lightweight mailings to reduce shipping costs
What You'll Receive
  • 200 white stayflat mailers per case Integrated pressure-sensitive self-seal closure with tear strip
Shipping & Packaging

Mailers ship flat in compact cases, minimizing inbound freight costs. Each case contains 200 units ready for immediate fulfillment integration.

Frequently Bought Together

Related supplies

Frequently Asked Questions

Yes. The.018 chipboard construction provides puncture resistance and cushioning against crushing. Ideal for soft goods, documents, and non-fragile items. For heavier or delicate products, consider reinforced protective mailers.

The pressure-sensitive adhesive strip requires no water, tape, or sealing equipment, just peel and press. The integrated tear strip allows recipients to open cleanly, enhancing unboxing experience and brand perception.

Absolutely. Lightweight.018 chipboard reduces dimensional weight charges with major carriers (UPS, FedEx, USPS). At 9" x 111/2", they're optimized for standard mail rates while maintaining professional protection.

Yes. Made from 100% recycled chipboard and fully recyclable, these mailers support circular economy goals. Use for brands highlighting sustainability in their shipping practices.

Technical Specifications

Closure TypePressure-Sensitive Self-Seal with Tear Strip
QuantityCase of 200 Mailers
RecyclableYes
Color White
Strength / Material .018 Chipboard
Dimensions (Internal) 9"" × 11.5"" (L × W × H)

Product Downloads

Shipping Information

Outer Carton Dimensions

12.25" × 12.0" × 11.5" (L × W × D)

Unit of Measure

CASE

Qty Per Shipping Unit

200 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