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.
Best For
How to choose
Specs at a Glance
| Material | .020 Chipboard |
| Dimensions | 18 x 24 inches |
| Color | White |
| Closure Type | Peel-and-Seal with Pull-Tab Tear Strip |
| Recyclable | Yes |
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 50. Check the current product page for variant details, price, availability, and pack count before checkout.
Shipping & Packaging
Frequently Asked Questions
Use 18x24" White Chipboard Self-Seal Stayflats Plus Mailers - Case of 50 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: 18 x 24 in; material: paper; quantity: Case of 50. 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, send the SKU or product link, quantity, delivery ZIP code, receiving notes, and timing to support@packrift.com before placing the order.
Technical Specifications
| Closure Type | Peel-and-Seal with Pull-Tab Tear Strip |
| Recyclable | Yes |
| Color | White |
| Strength / Material | .020 Chipboard |
| Dimensions (Internal) | 18" × 24" (L × W × H) |
Shipping Information
Outer Carton Dimensions
18" × 24" (L × W × H)
Unit of Measure
CASE
Qty Per Shipping Unit
50 PER CASE
LTL Freight Class
Class 60
Delivery Method
Shown at checkout
Processing and delivery timelines vary by product, warehouse, order size, and destination. Freight-sensitive or oversized items may require LTL delivery or a custom quote before shipment.
Checkout shows available shipping options for the selected SKU and quantity. Use the shipping and refund policy links for current policy details before ordering.
For larger, recurring, freight-sensitive, or mixed-SKU orders, send the SKU or product link, quantity, delivery ZIP code, receiving notes, and timing to support@packrift.com.
ORDER SUPPORT
Product Support
Specs, case quantities, and availability are listed on each product page. For bulk, mixed-SKU, or LTL freight orders, email support@packrift.com with the SKU, quantity, and delivery ZIP.
Use product support for fit, larger or recurring order, return, or order-issue questions. When price and Add to Cart are shown, checkout remains the direct ordering path.
Need a sample, fit check, or substitution review? Contact product support with the SKU, selected option, order quantity, and use case. Support will confirm the available path for that item.
Contact product supportBuyer guides
Buying notes and spec resources stay here instead of taking space above the cart.
Use this product as the source
18x24" White Chipboard Self-Seal Stayflats Plus Mailers - Case of 50
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