Ship-Lite® envelopes deliver six times the strength of standard paper mailers in a convenient 10x13" self-seal format. Reinforced with mesh screen poly fibers and moisture-resistant coating, these white flat mailers ship 100 units per case for maximum cost efficiency. Perfect for industrial, e-commerce, and office shipping needs.
In stock SKU SLF1013WH

10x13" Reinforced Ship-Lite Self-Seal Envelopes - 6X Stronger, Case of 100

$52.51/ CASE
$0.52 per unit
Sold in CASE of 100
1 CASE = 100 units Total $52.51
Ships from US warehouses · Shipping calculated at checkout
  • Ships from 5 US warehouses
  • Secure checkout
  • Bulk pricing on request
Specifications
SKUSLF1013WH
Dimensions10" × 13" × N/A
Material / strength26 lb. Reinforced Paper
Sold asCASE of 100
BrandPackrift
Freight class78
GTIN50047614536209
Shipping & returns

Packrift ships from five US warehouses (Central IL, Northeast PA, South TX, Southeast GA, West CA). The nearest warehouse with stock ships your order. Final shipping cost is shown at checkout based on weight, dimensions, and ZIP.

Oversized or high-volume orders may route via LTL freight; the freight quote is calculated live at checkout.

Shipping policy · Refund policy · Support

Best For

Industrial shipping departments and e-commerce businesses that need reliable, cost-effective mailing solutions for documents, catalogs, and lightweight products. The 10 x 13" flat format with reinforced 26 lb. paper construction delivers six times the durability of standard paper envelopes while maintaining moisture resistance for compliance-heavy shipping environments.

How to choose

Ship-Lite® envelopes combine mesh screen poly fiber reinforcement with a self-seal closure system, eliminating tape costs and labor while ensuring consistent sealing. The moisture-resistant design protects contents during transit and storage, reducing damage claims and replacement costs for high-volume shippers.

Specs at a Glance

Material26 lb. Reinforced Paper with Mesh Screen Poly Fibers
Dimensions13" x 10"
Closure TypeSelf-Seal/Redi-Strip
Case Quantity100 Envelopes per Case
RecyclableYes
Common Use Cases
  • E-commerce fulfillment and direct-to-consumer shipping Catalog and promotional material distribution Document and invoice mailing for B2B suppliers Warranty cards, product inserts, and retail packaging Corporate communications and bulk business correspondence
What You'll Receive
  • 100 Ship-Lite® Flat Envelopes (13" x 10") per case Pre-applied self-seal closure strip ready for use
Shipping & Packaging

Case of 100 envelopes ships in compact, stackable packaging optimized for pallet efficiency. Bulk ordering accommodates high-volume shippers with standard freight and parcel carrier compatibility.

Frequently Asked Questions

Ship-Lite® envelopes are six times stronger than traditional paper envelopes due to reinforced mesh screen poly fiber construction. This durability significantly reduces in-transit damage, tear-open incidents, and associated replacement costs.

No. The self-seal Redi-Strip closure eliminates the need for tape, glue, or adhesive. Simply press and seal for consistent, tamper-evident closure that saves labor time and material costs.

Yes. The 10 x 13" flat format meets USPS, UPS, and FedEx size and weight specifications for expedited and standard ground shipping, ensuring no surcharges or delivery delays.

The reinforced material with poly fiber mesh resists moisture and humidity, protecting document integrity and product condition during storage and transport. Ideal for temperature-variable warehousing and humid shipping environments.

Technical Specifications

Closure TypeSelf-Seal/Redi-Strip
Case Quantity100 Envelopes per Case
RecyclableYes
Color White
Strength / Material 26 lb. Reinforced Paper
Dimensions (Internal) 10" × 13" (L × W × H)

Shipping Information

Outer Carton Dimensions

10" × 13" (L × W × H)

Unit of Measure

CASE

Qty Per Shipping Unit

100 PER CASE

LTL Freight Class

Class 78

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 support
Secure checkout LTL freight available on case/skid orders

Buyer guides

Buying notes and spec resources stay here instead of taking space above the cart.

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Use this product as the source 10x13" Reinforced Ship-Lite Self-Seal Envelopes - 6X Stronger, Case of 100

Compare resources using the current product page data: SKU SLF1013WH , type Envelopes & Mailers , sold-as unit CASE / pack count 100 PER CASE . Confirm the product page price, availability, and selected variant before ordering.

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