Use for e-commerce packers and fragile goods shippers who need cost-effective, protection for lightweight to mid-weight items. The 12" x 7 1/4" size accommodates jewelry, electronics, cosmetics, and small gifts, while the recycled kraft exterior projects eco-conscious branding to end customers.
Best For
How to Choose the Right Packaging
Specs at a Glance
| Material | Recycled Kraft Paper Exterior with 3/16" Bubble Lining |
| Dimensions | 12" Length x 7 1/4" Width |
| Cell Size | 3/16" High-Slip Bubble |
| Closure Methods | Heat Seal, Tape, or Staple |
| Recyclable | Yes |
Common Use Cases
- Jewelry and precious metals shipping Electronics and small tech accessories Cosmetics and beauty product packaging Greeting cards and personalized gifts Document protection and secure mailing
What You'll Receive
- Case of 100 Kraft Heat-Seal Bubble Mailers (12" x 7 1/4")
Shipping & Packaging
Frequently Bought Together
Related suppliesFrequently Asked Questions
Yes. The kraft exterior and standardized 12" x 7 1/4" dimensions meet all major carrier specifications for ground and priority shipping without surcharges.
The 3/16" cell size reduces overall mailer weight and dimensional weight charges while still providing excellent shock protection for fragile items. The high-slip design also speeds product insertion, lowering labor costs in packing operations.
Heat sealing requires a tabletop heat sealer (recommended for high-volume users), but you can also quickly close these with tape or staples as an alternative low-cost method.
Yes. The recycled kraft paper exterior is 100% recyclable and biodegradable, allowing your customers to dispose of packaging responsibly, a major advantage for eco-conscious brands.
Technical Specifications
| Cell Size | 3/16" High-Slip Bubble |
| Closure Methods | Heat Seal, Tape, or Staple |
| Recyclable | Yes |
| Color | Kraft |
| Strength / Material | Paper Exterior/Bubble Lining |
| Dimensions (Internal) | 12"" × 7.25"" (L × W × H) |
Product Downloads
Shipping Information
Outer Carton Dimensions
16.75" × 15.5" × 13.75" (L × W × D)
Unit of Measure
CASE
Qty Per Shipping Unit
100 PER CASE
LTL Freight Class
Class 300
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.
Buyer guides
Pick the right material, size, and gauge before you order.
Related products
Shop mailers and envelopes
Compare usable size, padding, material, closure, and case quantity.
Buying route Compare mailer vs boxUse this guide when item thickness or edge protection affects fit.
Corrugated Box Buying Guide
How to pick Single, Double, or Triple wall for your weight and stack requirements.
Read Guide →How to Measure for Shipping
Measure inside and outside dimensions before choosing shipping supplies or estimating DIM-weight costs.
Read Guide →