Wholesale Direct — Small Business Pricing
Heavy-Duty Poly Mailers
Heavy-Duty Poly Mailers
Built for Businesses That Ship Daily
4 Mil waterproof self-seal bags in 5 sizes. No minimums on first order. Ships same day from Fullerton, CA. Trusted by growing eCommerce sellers and boutique owners.
4 Mil
Thick waterproof film
10 lb
Max weight rating
5 sizes
Small to XL
Same day
Ships from CA
📦 200 / 500 / 1,000 pcs packs
🔒 Self-seal peel & stick closure
💧 100% waterproof outer surface
🚚 Free shipping on orders $30+
Choose Your Size & Quantity
All bags: 4 Mil · Self-seal · Waterproof · Up to 10 lbs · Select quantity below each size

Large Poly Mailer — 11.75" × 15.5"
4 Mil · Self-seal · Waterproof · Up to 10 lbs
Best for folded clothing, shoes, medium goods
Best for folded clothing, shoes, medium goods
Select Quantity:
$69.99

Large Poly Mailer — 11.75" × 15.5"
4 Mil · Self-seal · Waterproof · Up to 10 lbs
Best for folded clothing, shoes, medium goods
Best for folded clothing, shoes, medium goods
Select Quantity:
$19.99

Large Poly Mailer — 11.75" × 15.5"
4 Mil · Self-seal · Waterproof · Up to 10 lbs
Best for folded clothing, shoes, medium goods
Best for folded clothing, shoes, medium goods
Select Quantity:
$39.99
Best Seller

XL Poly Mailer — 15" × 18.75"
4 Mil · Self-seal · Waterproof · Up to 10 lbs
Best for apparel, bulky items, clothing bundles
Best for apparel, bulky items, clothing bundles
Select Quantity:
$139.99
Best Seller

XL Poly Mailer — 15" × 18.75"
4 Mil · Self-seal · Waterproof · Up to 10 lbs
Best for apparel, bulky items, clothing bundles
Best for apparel, bulky items, clothing bundles
Select Quantity:
$29.99
Best Seller

XL Poly Mailer — 15" × 18.75"
4 Mil · Self-seal · Waterproof · Up to 10 lbs
Best for apparel, bulky items, clothing bundles
Best for apparel, bulky items, clothing bundles
Select Quantity:
$69.99

Small Poly Mailer — 6" × 8"
4 Mil · Self-seal · Waterproof · Up to 10 lbs
Best for small gifts, documents, samples
Best for small gifts, documents, samples
Select Quantity:
$34.99

Small Poly Mailer — 6" × 8"
4 Mil · Self-seal · Waterproof · Up to 10 lbs
Best for small gifts, documents, samples
Best for small gifts, documents, samples
Select Quantity:
$9.99

Small Poly Mailer — 6" × 8"
4 Mil · Self-seal · Waterproof · Up to 10 lbs
Best for small gifts, documents, samples
Best for small gifts, documents, samples
Select Quantity:
$19.99

Medium Poly Mailer — 9.75" × 12"
4 Mil · Self-seal · Waterproof · Up to 10 lbs
Best for books, accessories, small apparel
Best for books, accessories, small apparel
Select Quantity:
$39.99

Medium Poly Mailer — 9.75" × 12"
4 Mil · Self-seal · Waterproof · Up to 10 lbs
Best for books, accessories, small apparel
Best for books, accessories, small apparel
Select Quantity:
$14.99

Medium Poly Mailer — 9.75" × 12"
4 Mil · Self-seal · Waterproof · Up to 10 lbs
Best for books, accessories, small apparel
Best for books, accessories, small apparel
Select Quantity:
$26.99

Medium Poly Mailer — 9.75" × 12"
4 Mil · Self-seal · Waterproof · Up to 10 lbs
Best for books, accessories, small apparel
Best for books, accessories, small apparel
Select Quantity:
$55.99

Medium Poly Mailer — 9.75" × 12"
4 Mil · Self-seal · Waterproof · Up to 10 lbs
Best for books, accessories, small apparel
Best for books, accessories, small apparel
Select Quantity:
$16.99

Medium Poly Mailer — 9.75" × 12"
4 Mil · Self-seal · Waterproof · Up to 10 lbs
Best for books, accessories, small apparel
Best for books, accessories, small apparel
Select Quantity:
$29.99
Bundle & Save — Add Stretch Wrap
Order both poly mailers and stretch film together and pay one shipping charge
Industrial Stretch Film / Shrink Wrap
60 Gauge · 1,500ft per roll · 18" wide · 400% stretch ratio
Perfect for palletizing boxes, securing returns, wrapping furniture and appliances for storage or moving.
$69.99
6-roll case · $11.67/roll
Ordering 5,000+ Bags Per Month?
We offer custom bulk pricing for businesses with high-volume needs. Send us your size, quantity, and frequency and we'll reply within a few hours with a dedicated quote.