--- product_id: 293238534 title: "Poly Mailers 12x15.5 100 Pack, Medium Size Shipping Bags for Clothing, Strong Self-Seal Mailers Poly Bags Shipping Envelopes, Thick Mailing Bags Package Bags for Small Business, Light Blue" brand: "metronic" price: "฿2592" currency: THB in_stock: true reviews_count: 13 category: "Metronic" url: https://www.desertcart.co.th/products/293238534-poly-mailers-12x15-5-100-pack-medium-size-shipping-bags store_origin: TH region: Thailand --- # 12x15.5 inches - perfect medium size Strong self-seal adhesive - tamper-proof security Tear & puncture resistant - premium polyethylene Poly Mailers 12x15.5 100 Pack, Medium Size Shipping Bags for Clothing, Strong Self-Seal Mailers Poly Bags Shipping Envelopes, Thick Mailing Bags Package Bags for Small Business, Light Blue **Brand:** metronic **Price:** ฿2592 **Availability:** ✅ In Stock ## Summary > 📦 Seal the deal with style and strength — ship smarter, not harder! ## Quick Answers - **What is this?** Poly Mailers 12x15.5 100 Pack, Medium Size Shipping Bags for Clothing, Strong Self-Seal Mailers Poly Bags Shipping Envelopes, Thick Mailing Bags Package Bags for Small Business, Light Blue by metronic - **How much does it cost?** ฿2592 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/293238534-poly-mailers-12x15-5-100-pack-medium-size-shipping-bags) ## Best For - metronic enthusiasts ## Why This Product - Trusted metronic brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Protect:** Durable virgin polyethylene construction ensures your shipments arrive intact, rain or shine. - • **Effortless Sealing:** Peel-and-stick self-seal strips save time and eliminate the need for tape or extra tools. - • **Stand Out with Style:** Trendy blue color adds a chic, memorable touch to every package, making your brand instantly recognizable. - • **Cost-Effective & Lightweight:** Save on postage and storage with slim, lightweight mailers that pack a punch without the bulk. - • **Versatile for Every Business:** Ideal for clothing, accessories, books, and more—perfect for small businesses aiming to impress. ## Overview Metronic Poly Mailers 12x15.5 (100 pack) are medium-sized, vibrant blue shipping bags crafted from premium virgin polyethylene. Designed for durability, they resist tears, punctures, and water, featuring a strong self-seal adhesive for tamper-proof closure. Lightweight and space-saving, these mailers are perfect for small businesses shipping clothing, accessories, and light items, combining protection with a stylish edge to elevate your brand’s unboxing experience. ## Description desertcart.com : Metronic Poly Mailers 12x15.5 100 Pack, Medium Size Shipping Bags for Clothing, Strong Self-Seal Mailers Poly Bags Shipping Envelopes, Thick Mailing Bags Package Bags for Small Business, Blue : Office Products Review: Great choice! - Very sturdy, they don’t feel like they’re going to rip as soon as it goes in the mail. Love the colors- I’ve bought different colors and have loved them all. Great value. Review: Cute and affordable - I recently snagged a bunch of these cute and affordable polymailers, and I am absolutely loving them! The fun designs add a pop of personality to my packages, making shipping feel like a little celebration. They’re not only stylish but also super sturdy, keeping my items safe during transit. Plus, the price is unbeatable, making it easy to stock up without breaking the bank. Whether I’m sending out orders for my small business or just mailing gifts to friends, these polymailers are a perfect choice. If you want to add some flair to your shipping game, definitely check these out! ## Features - Fashionable Colorful Poly mailers - With trendy colors, these shipping bags are sure to make your package stand out and leave a lasting impression to consumers. These chic shipping mailers are smooth to the touch, measuring 12x15.5 inches, and a pack of 100 mails. - Sturdy & Durable Construction - Our plastic mailing envelopes are made with premium-grade virgin Polyethylene plastic which are tear-resistant, puncture-resistant and waterproof. And every mailer is equipped with tamper-proof strong self-sealing adhesive strips.You can rely on our postal bags to withstand various factors and ensure that your package is safe before it reaches its destination. - Convenient & Economical - The packaging bags can be sealed within a few seconds by peeling and exposing the glue, without the need for packing tape and pulse sealing machine. Plastic custom mailing bags are a great alternative to bulky and expensive shipping boxes.Mailing envelopes are light-weight and space-saving, which can help you save on postage and costs. - Widely Use - Multipurpose envelopes are great for shipping light and less fragile products, such as clothing，books, jewelry, accessories,etc; professional packing to protect your item.Perfect for online retailers,clothing boutiques,office-supplies,family,stores,crafts,schools and warehouse. - Shopping Worry-free - Metronic is constantly committed to providing more unique, multi-functional poly mailer bags to make your retail, transportation and packaging products stand out. If you have any questions, you can contact us at any time and Metronic will solve it for you in time. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08SW11WGV | | Best Sellers Rank | #4,028 in Office Products ( See Top 100 in Office Products ) #53 in Envelope Mailers | | Brand | METRONIC | | Closure | Self-Seal | | Color | Blue | | Customer Reviews | 4.7 4.7 out of 5 stars (7,954) | | Date First Available | January 13, 2021 | | Item Weight | 2.92 pounds | | Manufacturer | METRONIC | | Manufacturer Part Number | Metronic | | Material Type | Polyethylene (PE) | | Number of Items | 100 | | Product Dimensions | 15.5 x 12 x 0.23 inches | | Shape | Rectangular | | Size | 12x15.5 100 pieces | ## Product Details - **Brand:** METRONIC - **Closure Type:** Self-Seal - **Color:** Blue - **Material:** Polyethylene (PE) - **Occasion:** Anniversary, Birthday, Father's Day, Mother's Day, Wedding ## Images ![Poly Mailers 12x15.5 100 Pack, Medium Size Shipping Bags for Clothing, Strong Self-Seal Mailers Poly Bags Shipping Envelopes, Thick Mailing Bags Package Bags for Small Business, Light Blue - Image 1](https://m.media-amazon.com/images/I/61LyPaC0VaL.jpg) ## Available Options This product comes in different **Color, Size** options. ## Questions & Answers **Q: How is the quality of Metronic's poly mailers?** A: They are 2mil thick, sturdy & durable, ensure that your package is safe before it reaches to your customers. **Q: What does the blue poly bags look like?** A: The blue color is trendy and beautiful, are sure to make your package stand out and leave a lasting impression to your consumers! ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great choice! *by A***N on January 10, 2026* Very sturdy, they don’t feel like they’re going to rip as soon as it goes in the mail. Love the colors- I’ve bought different colors and have loved them all. Great value. ### ⭐⭐⭐⭐⭐ Cute and affordable *by F***H on July 15, 2025* I recently snagged a bunch of these cute and affordable polymailers, and I am absolutely loving them! The fun designs add a pop of personality to my packages, making shipping feel like a little celebration. They’re not only stylish but also super sturdy, keeping my items safe during transit. Plus, the price is unbeatable, making it easy to stock up without breaking the bank. Whether I’m sending out orders for my small business or just mailing gifts to friends, these polymailers are a perfect choice. If you want to add some flair to your shipping game, definitely check these out! ### ⭐⭐⭐⭐⭐ Good quality *by M***R on December 28, 2025* Great mailers! Good quality; no issues! --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.th/products/293238534-poly-mailers-12x15-5-100-pack-medium-size-shipping-bags](https://www.desertcart.co.th/products/293238534-poly-mailers-12x15-5-100-pack-medium-size-shipping-bags) --- *Product available on Desertcart Thailand* *Store origin: TH* *Last updated: 2026-04-25*