4000 Pack 10x13 Inch White Self-Sealing Poly Mailers - 2 Mil Thick Secure Shipping Envelopes for E-Commerce, Online Stores & Small Business | Perfect for Shipping Clothes, Books, Jewelry & Lightweight Items

Safe Shipping with Secure Seal Ensure customers receive items exactly as they expected them Thinking Outside the Box Since 2010 Secure Seal was founded by 2 entrepreneurs with a wealth of experience operating various E-commerce businesses. In our businesses, we ship various items across several channels. Purchasing our supplies through a number of companies, we realized the need for a business that could offer competitive products coupled with high levels of customer support. Paramount to shipping is the arrival of your products in peak condition. That’s why we designed Secure Seal poly mailer envelopes. With your security in mind, these envelopes are designed to be tamper-proof, opaque, flexible and waterproof to provide the best possible protection for your goods. We have helped Thousands of satisfied customers to receive their packages unscathed. Make the switch to Secure Seal to send your next item and upgrade your shipping business. High Performance Adhesive Strip Each mailer is puncture and tamper-proof to prevent your package from being opened prior to arrival. Opaque Packaging The envelopes are designed with a black interior in order to protect customer’s privacy during shipping. Stretchy Polyethylene The durable, flexible design allows you to fit padding to give your items an extra layer of protection when needed. Just add bubble wrap or peanuts for more security during shipping. Lightweight Material This high performance material is designed to safely package your goods without adding extra unnecessary weight to your shipments. Delivering Your Mail in Confidence With a Secure Seal tamper-free envelope, you can ship your package assured that its contents are confidential. Strength in Stretches Our robust tear-resistant material provides maximum puncture protection and stretches. To ship securely even when overstuffed. Weight Saving Efficiency Save money at the post office with these extra-lightweight envelopes. Savings without sacrificing on shipment security. Dry as a Bone Sealed tight, these envelopes offer total water protection in transit. So you can rest assured items will be safe during shipping. Your One-Stop Shipping Shop 4" x 6" Poly Mailer 6" x 9'' Poly Mailer 10" x 13'' Poly Mailer 19" x 24'' Poly Mailer 32" x 32'' Poly Mailer Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Customer Reviews 4.7 out of 5 stars 1,377 4.7 out of 5 stars 1,377 4.7 out of 5 stars 1,377 4.7 out of 5 stars 1,377 4.7 out of 5 stars 1,377 Price $28.53$28.53 $33.52$33.52 $56.61$56.61 $82.92$82.92 $60.21$60.21 Size 4" x 6" 6" x 9' 10" x 13" 19" x 24" 32" x 32" Lightweight ✓ ✓ ✓ ✓ ✓ Strong adhesive strip ✓ ✓ ✓ ✓ ✓ Opaque ✓ ✓ ✓ ✓ ✓ Stretchy ✓ ✓ ✓ ✓ ✓ Tear-resistant ✓ ✓ ✓ ✓ ✓ Waterproof ✓ ✓ ✓ ✓ ✓

Boost Your Business Cut shipping expenses without compromising service quality. Our lightweight shipping envelopes are cost-effective, help you reduce postage costs while ensuring top-notch quality

Secure Shipping Send lightweight, non-fragile goods with our poly mailers. Featuring robust self-sealing adhesive strip, they stay securely closed, ensuring items are safe throughout entire journey

Durable Protection Send your items with confidence. Our waterproof, tear-resistant Secure Seal envelopes, made from high-grade polyethylene, ensure your products remain safe and dry during transit

Room For More Add extra padding for your goods. Our poly mailers are built with a durable, flexible material, allowing space for stuffing filler or peanuts any time as needed for extra protection

Ship It All Use our poly bags to send a variety of items in the mail like clothing, books, supplements, and other lightweight, non-fragile items. With measurements ranging from 4"x6" to 32"x32"