About Reli. Poly Mailers Value. Each Value Pack case includes 250 Poly Mailers developed and distributed using Reli's global and domestic operations to enable premium quality, while maintaining wholesale quantity & prices. Quality. Each poly mailer is constructed from tear-resistant and waterproof materials. Measuring 12" x 15.5" these bags are designed specifically to keep contents secure against moisture, tampering, and puncturing. Convenience. Reli. Poly Mailers are built for efficiency and convenience. Simply peel the strip on the top of the mailer to expose the strong adhesive for easy packing, and a secure seal. Our team works diligently to research every product and help simplify your life. Serving 1M+ customers and trusted for over 30 years, you can Rely on Reli. At a Glance: 12" x 15.5" Poly Mailers 250 Value Pack Tear-Resistant Waterproof Construction Premium Self Seal Special Features: 250 Value Pack - Bulk Value We are always working to provide our customers with wholesale quantity at incomparable prices. Our Value Pack includes 250 Poly Mailers. Tear-Resistant Our Poly Mailers are manufactured out of premium tear-resistant materials to prevent punctures and facilitate secure shipping. Waterproof Construction Transport items safely with our waterproof construction that keeps out liquids / moisture and prevents your items from getting damaged by rain or snow. Premium Self Seal Each poly mailer is designed with a premium tear strip that can be peeled off to expose a strong adhesive for a secure self seal. Reli. Poly Mailers 12x15.5" | 250 Pcs - White | Shipping Bags/Shipping Envelo... Reli. Poly Mailers 12x15.5 | 500 Pcs Bulk | Shipping Envelopes | White Packag... Reli. Poly Mailers 6x9 | 1000 Pcs Bulk | Small Mailing Envelopes/Shipping Bag... Reli. Poly Mailers 10x13" | 220 Pcs - White | Shipping Envelopes | Mailer/Pac... Reli. Poly Mailers 10x13 | 500 Pcs Bulk | Envelopes | White Packaging Bags fo... Reli. Poly Mailers 14.5x19" | 220 Pcs - White | Shipping Bags/Shipping Envelo... Add to Cart Add to Cart Add to Cart Buying Options Add to Cart Add to Cart Customer Reviews 4.6 out of 5 stars 146 4.5 out of 5 stars 715 4.5 out of 5 stars 287 4.5 out of 5 stars 94 4.4 out of 5 stars 451 4.2 out of 5 stars 89 Price $22.99$22.99 $32.99$32.99 $32.99$32.99 — no data $33.49$33.49 $23.99$23.99 Size: 12" x 15.5" 12" x 15.5" 6" x 9" 10" x 13" 10" x 13" 14.5" x 19" # of Bags 250 Pack 500 Pack 1000 Pack 220 Pack 500 Pack 220 Pack Self Seal ✓ ✓ ✓ ✓ ✓ ✓ Waterproof ✓ ✓ ✓ ✓ ✓ ✓ About Reli. Reli. is a family-owned company built around strong values & putting the customer first. Our goal is to make your daily life easier so you can focus on what matters to you.