In stock SKU RM7PSGTIN 841436016230

17x21 White Self-Seal Chipboard Stayflats Plus Mailers 100/Case

Ship photos, documents, and sensitive items with confidence using these 17x21" white self-seal stayflat mailers. Made from rigid .020 chipboard that requires no additional stiffeners, these peel-and-seal mailers offer professional protection at lightweight cost savings. 100 mailers per case with pull-tab tear strip for effortless opening.
$145.24 / case of 100$1.45 per mailer
= 100 mailers · Item subtotal $145.24

Before shipping and tax. Final discounts and total are confirmed in the cart.

Request bulk pricing
Volume pricing — applied automatically in the cart
Quantity (case)Item-subtotal discount
1–2Base item price
3–53% off qualifying item subtotal
6+5% off qualifying item subtotal

In stock · ships within 1 business day from the nearest of 5 US warehouses (IL, PA, TX, GA, CA) · 1–5 business days in transit · freight calculated at checkout · free ground shipping on orders over $99 (parcel rates up to $29.95) and over $500 (up to $120)

30-day returns on stock items · Return policy

Inside dimensions 17" × 21"
Board / material .020 Chipboard
Color White
Freight class Class 60

Specifications

Inside dimensions17" × 21" (L × W)
Board / material.020 Chipboard
ColorWhite
Sold asCase of 100
Physical units per order increment100 (one case)
Case weight67.0 lb
Outer carton (shipping)24.0 × 17.75 × 9.75 in
LTL freight classClass 60
GTIN841436016230
SKURM7PS

About this item

SKU RM7PS — 17" × 21", .020 Chipboard, White. Sold as a case of 100, shipped from US warehouses.

The 17x21" White Chipboard Self-Seal Stayflats Plus Mailers is a rigid chipboard mailer for photos, prints, documents, calendars, certificates, and flat items that should not ship in a soft envelope. Listed specs include size 17" x 21"; white material; 100/Case. Use it as a mailing envelope, poly mailer, padded mailer, or flat document shipper when the item fits the listed size.

Compare nearby options

Larger, smaller and stronger options from the same family. Prices shown are current case prices; freight is calculated at checkout.

Premium 18x24" white self-seal flat mailers crafted from .020 chipboard deliver maximum puncture resistance and professional presentation for e-commerce shipments. The peel-and-seal closure activates instantly–no tape, no stiffeners required. Order by the case of 50 and reduce freight costs with lightweight construction.Larger size 18x24 White Self-Seal Chipboard Stayflats Plus Mailers 50/Case SKU RM11PS · CASE $106.76Protect high-value shipments with professional-grade 13x18 white stayflat mailers. Engineered from .028 chipboard with tab lock closure for guaranteed security–no additional stiffeners required. Lightweight design reduces postage costs while maintaining rigid protection for documents, photos, and e-commerce merchandise.Smaller size 13x18 White Chipboard Tab Lock Stayflats Mailers 100/Case SKU RM6W · CASE $80.37Professional 17x21" kraft stayflat mailers with tab lock closure protect documents and photos without additional stiffeners. Manufactured from durable .036 chipboard with lightweight design that reduces postage costs. Sold by the case of 50 units.Same size, different spec 17x21 Kraft Chipboard Tab Lock Stayflats Mailers 50/Case SKU RM7 · CASE $58.70Professional 17x21" white Stayflats mailers with rigid .028 chipboard construction and secure tab lock closure. Protect photos, documents, and flat items without additional stiffeners. Lightweight design reduces postage costs. Sold by the case of 100.Same size, different spec 17x21 White Chipboard Tab Lock Stayflats Mailers 100/Case SKU RM7W · CASE $124.45

Frequently bought with

Light add-ons for this order: tape, labels, dispensers and packing-list envelopes.

Common questions

Is this the right mailer for my order?
Use 17x21" White Chipboard Self-Seal Stayflats Plus Mailers - 100/Case 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.
What specs should I confirm before checkout?
Confirm usable size, material, cushioning, closure, and case quantity. This listing is summarized by size: 17 x 21 in; material: paper; quantity: 100/Case. Use the current SKU, variant, price, availability, and delivery options shown on the product page.
Can I request this for a larger or repeat order?
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.
How should I plan delivery for this item?
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.

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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