--- product_id: 123676572 title: "Poly Mailers 12x15.5 Inch White 100 Pack Medium Shipping Bags #5 Strong Thick Mailing Envelopes Self Sealing Adhesive Waterproof and Tear Proof Boutique Packaging Postal for Clothing" brand: "ucgou" price: "6828 som" currency: KGS in_stock: true reviews_count: 8 category: "Ucgou" url: https://www.desertcart.kg/products/123676572-poly-mailers-12x15-5-inch-white-100-pack-medium-shipping store_origin: KG region: Kyrgyzstan --- # 12x15.5 inch perfect medium size Strong self-sealing adhesive Waterproof & tear-proof durability Poly Mailers 12x15.5 Inch White 100 Pack Medium Shipping Bags #5 Strong Thick Mailing Envelopes Self Sealing Adhesive Waterproof and Tear Proof Boutique Packaging Postal for Clothing **Brand:** ucgou **Price:** 6828 som **Availability:** ✅ In Stock ## Summary > 📦 Seal the deal with style and strength! ## Quick Answers - **What is this?** Poly Mailers 12x15.5 Inch White 100 Pack Medium Shipping Bags #5 Strong Thick Mailing Envelopes Self Sealing Adhesive Waterproof and Tear Proof Boutique Packaging Postal for Clothing by ucgou - **How much does it cost?** 6828 som with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.kg](https://www.desertcart.kg/products/123676572-poly-mailers-12x15-5-inch-white-100-pack-medium-shipping) ## Best For - ucgou enthusiasts ## Why This Product - Trusted ucgou brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **All-Weather Seal:** Four-season adhesive ensures your package stays sealed rain or shine. - • **Rugged Protection:** Thick polyethylene construction resists punctures and tears for safe delivery. - • **Opaque Privacy Shield:** Milky white with gray lining keeps your shipments discreet and secure. - • **Time-Saving Packaging:** Self-seal design eliminates extra materials, boosting your business efficiency. - • **Brand-Boosting Brightness:** Clean, bright white mailers enhance your brand’s professional look and customer appeal. ## Overview UCGOU Poly Mailers 12x15.5 inch (100 pack) are premium, opaque white shipping bags featuring tear-proof, waterproof polyethylene construction and a strong, all-season self-sealing adhesive. Designed for medium-sized shipments, they protect privacy and goods while enhancing brand presence with a clean, professional look—ideal for small to medium businesses seeking reliable, efficient packaging. ## Description desertcart.com : UCGOU Poly Mailers 12x15.5 Inch White 100 Pack Medium Shipping Bags #5 Strong Thick Mailing Envelopes Self Sealing Adhesive Waterproof and Tear Proof Boutique Packaging Postal for Clothing : Office Products Review: Poly mailers - These are the best poly mailers to use very strong I have all the sizes in black they are worth the purchase. I definitely recommend this product to every seller give them a try you won’t regret it 100% worth it Review: Good product - Good product, especially if you’re a seller on any platform. Good size. ## Features - Milky White Poly Mailers: The size of the bags is 12x15.5 inches. These poly mailers are milky white, which differ from the normal white poly mailers. With gray inner lining, these poly mailers are opaque. Used tear resistant material, UCGOU poly mailers can not only protect your privacy well during transportation, but also keep your goods arriving safely - Strong Self Sealing Adhesive: Our mailing envelopes is using four season adhesive, which can maintain strong stickiness throughout the year, even if the weather is very hot or cold. The strong stickiness prevents your items from being secretly replaced during transportation. The adhesive is covered with silver strip, which are easily peel off the strip and seal the bag - Sturdy and Durable Construction: The thicken shipping bags covers with polyethylene material, making them not easily punctured and damaged. Beside, the shipping bags features with excellent waterproof and tearing proof effects because of the reinforce sealing on the edge. They can keep your value stuff safely to destination even though using on foggy or rainy days - Convenient and Easy to Use: These poly shipping bags are the perfect choice for small and middle business for easily using with not require extra packaging material, which can improve your company productivity at work, save much time. It is very suitable to transport for makeup supplies, photos, magazine, books, hoodies, shoes, clothes and more - Enhance Brand Influence: Bright colors bring a lively atmosphere, which makes the items you transport more conspicuous and will not be easily lost. Beautiful colors can also make your customers happy and enhance your brand influence. We have been committed to making better products to serve our customers, so that their business can get better and better ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07PN34DHQ | | Additional Features | Waterproof | | Best Sellers Rank | #5,468 in Office Products ( See Top 100 in Office Products ) #64 in Envelope Mailers | | Brand | UCGOU | | Brand Name | UCGOU | | Closure Type | Self-Seal | | Color | White | | Customer Reviews | 4.8 out of 5 stars 7,202 Reviews | | Item Dimensions L x W | 15.5"L x 12"W | | Item Shape | Rectangular | | Manufacturer | UCGOU | | Material | Plastic | | Material Type | Plastic | | Number of Items | 100 | | Occasion | Everyday Mailing | | Size | 12x15.5 | | Style | Poly | | UPC | 743070938735 | | Unit Count | 100 Count | ## Product Details - **Brand:** UCGOU - **Color:** White - **Closure Type:** Self-Seal - **Occasion:** Everyday Mailing - **Material:** Plastic ## Images ![Poly Mailers 12x15.5 Inch White 100 Pack Medium Shipping Bags #5 Strong Thick Mailing Envelopes Self Sealing Adhesive Waterproof and Tear Proof Boutique Packaging Postal for Clothing - Image 1](https://m.media-amazon.com/images/I/61YtA+b184L.jpg) ## Available Options This product comes in different **Color, Size** options. ## Questions & Answers **Q: Are these recycable?** A: Not Eco-Friendly! These are 100% virgin plastic, so not good to start with. No recycled materials were used to make these (shame), and no, you can't recycle them because poly packaging is generally rejected by recyclers. **Q: how many mailers does it come with? like how many bags are there.** A: I ordered 100 pcs pack, they should have other quantity pack if you do not need 100 pcs or need more than 100 pcs. **Q: How many ? It doesn’t say.** A: Hi , 1 Package of 100pcs **Q: Would these bags be suitable to ship a pair of adult shoes , no box ?** A: You could ship shoes in this, I think it wouldnt rip. If it is for a customer, I would use a box instead or a bubble wrapper. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Poly mailers *by P***E on October 31, 2025* These are the best poly mailers to use very strong I have all the sizes in black they are worth the purchase. I definitely recommend this product to every seller give them a try you won’t regret it 100% worth it ### ⭐⭐⭐⭐⭐ Good product *by P***T on February 4, 2026* Good product, especially if you’re a seller on any platform. Good size. ### ⭐⭐⭐⭐⭐ Excellent Poly Mailers *by O***Z on January 6, 2026* One of the best Poly Mailers I’ve purchased. Great quality, bag size fits a good amount of products, and overall worth it for the price. ## Frequently Bought Together - UCGOU Poly Mailers 12x15.5 Inch White 100 Pack Medium Shipping Bags #5 Strong Thick Mailing Envelopes Self Sealing Adhesive Waterproof and Tear Proof Boutique Packaging Postal for Clothing - UCGOU Poly Mailers 10x13 Inch White 200 Pack Shipping Bags #4 Strong Mailing Envelopes Boutique Packaging Postal Self Seal Adhesive Waterproof and Tear Proof Small Business for Clothes Books - UCGOU Poly Mailers 14.5x19 Inch White 100 Pack Large Shipping Bags #7 Strong Thick Mailing Envelopes Self Sealing Adhesive Waterproof and Tear Proof Boutique Packaging Postal for Clothing --- ## 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.kg/products/123676572-poly-mailers-12x15-5-inch-white-100-pack-medium-shipping](https://www.desertcart.kg/products/123676572-poly-mailers-12x15-5-inch-white-100-pack-medium-shipping) --- *Product available on Desertcart Kyrgyzstan* *Store origin: KG* *Last updated: 2026-04-30*