18x48 4 Mil White Self-Seal Poly Mailers 25/Case
$45.30
/ case of 25$1.81 per mailer
Secure checkout
Try a free sample first
Check the fit and feel before buying in bulk.
| Quantity (case) | Item-subtotal discount |
|---|---|
| 1–2 | Base item price |
| 3–5 | 3% off qualifying item subtotal |
| 6+ | 5% off qualifying item subtotal |
Shipping & deliveryCheck cost to your ZIP code
Shipping & returns details
Ships from U.S. warehouses. 30-day returns on unopened stock items.
Shipping cost and timing depend on the product, quantity and destination. Parcel or freight service is used as appropriate. Shipping discounts apply only to qualifying orders and rates.
Standard delivery is to street addresses in the contiguous U.S. Eligible returns must be unused and in original packaging; return shipping may apply.
Need a hand? Talk to our team
Inside dimensions
18" × 48"
Board / material
Polyethylene
Color
White
Freight class
Class 60
From our customers
“The packaging is sturdy, well-made, and looks professional. We’re really pleased with the quality.”
“They helped us choose the right packaging for our products and made ordering easy.”
“Ordering was easy, everything arrived as described, and we’ll definitely order again.”
Questions before you order?Talk to us
Specifications
| Inside dimensions | 18" × 48" (L × W) |
|---|---|
| Board / material | Polyethylene |
| Color | White |
| Sold as | Case of 25 |
| Physical units per order increment | 1 |
| Case weight | 7.02 lb |
| Outer carton (shipping) | 19.5 × 14.25 × 1.75 in |
| LTL freight class | Class 60 |
| GTIN | 841436089814 |
| SKU | LPM1848 |
About this item
SKU LPM1848 — 18" × 48", Polyethylene, White. Sold as a case of 25, shipped from US warehouses.
The 18x48" Self-Seal Poly Mailer 4 Mil White - Tear-Proof is a shipping mailer for documents, catalogs, apparel, small parts, photos, and lightweight e-commerce orders. Listed specs include size 18" x 48"; white material; 4 Mil; case of 25. Use it as a mailing envelope, poly mailer, padded mailer, or flat document shipper when the item fits the listed size.
Large poly mailers: Good fit for shipping clothing, apparel, soft goods, returns, catalog packs, and other non-fragile ecommerce orders. These mailers help ecommerce teams and small businesses choose protective, right-sized packaging for common fulfillment workflows.
Common questions
Is this the right mailer for my order?
Use 18x48" Self-Seal Poly Mailer 4 Mil White - Tear-Proof, Case of 25 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: 18 x 48 in; material: poly; quantity: Case of 25. 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.