--- product_id: 123676583 title: "UCGOU 8.5x12 Inch White Padded Envelopes Water Proof Poly Bubble Mailers Self Seal Mailing Envelopes Book Mailers 25pcs" brand: "ucgou" price: "NT$2319" currency: TWD in_stock: true reviews_count: 5 category: "Ucgou" url: https://www.desertcart.tw/products/123676583-ucgou-8-5x12-inch-white-padded-envelopes-water-proof-poly store_origin: TW region: Taiwan --- # Waterproof poly shell 8.5x12 inch perfect fit 80gsm bubble cushioning UCGOU 8.5x12 Inch White Padded Envelopes Water Proof Poly Bubble Mailers Self Seal Mailing Envelopes Book Mailers 25pcs **Brand:** ucgou **Price:** NT$2319 **Availability:** ✅ In Stock ## Summary > 📦 Ship Smart, Ship Stylish — Protection That Pops! ## Quick Answers - **What is this?** UCGOU 8.5x12 Inch White Padded Envelopes Water Proof Poly Bubble Mailers Self Seal Mailing Envelopes Book Mailers 25pcs by ucgou - **How much does it cost?** NT$2319 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/123676583-ucgou-8-5x12-inch-white-padded-envelopes-water-proof-poly) ## 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 - • **Elevate Your Brand Image:** Clean, sleek white design enhances customer unboxing experience and reflects your professionalism. - • **Robust 80gsm Bubble Padding:** Ensures superior protection during transit without adding bulk or extra shipping costs. - • **Effortless Self-Seal Closure:** Strong adhesive flap seals securely end-to-end—no tape needed, saving time and hassle. - • **Perfectly Sized for Versatility:** Fits standard 8.5x11 inch contents with room to spare—ideal for books, jewelry, and small boxed items. - • **Waterproof & Durable Poly Material:** Keeps your shipments safe from moisture and rough handling, maintaining a professional presentation. ## Overview UCGOU’s 8.5x12 inch white padded poly bubble mailers combine lightweight, waterproof protection with an 80gsm bubble lining and a secure self-seal closure. Designed for professionals who demand reliable, cost-effective shipping solutions, these envelopes safeguard your products while elevating your brand’s presentation. Perfect for small businesses and managers who want to impress customers with every delivery. ## Description UCGOU #0 #2 8.5x12" White Poly Bubble Mailers 25pcs •We UCGOU is the professional manufacturer specializing in producing all sorts of poly mailers and bubble mailers. Sustainable innovation is our unremitting pursuit. Having advanced technology and equipment, we are dedicated to offering packaging and shipping solutions to our customers with competitive price, excellent products and service. Padded Envelopes Protection •Lined with 80gsm bubble, UCGOU padded envelopes are made of heavy duty 100% virgin plastic, which have a good stretch, lightweight and water-resistant, not the cheap ones that are poorly padded or have glue everywhere. They seal well and the padding is sufficient. The bubble mailer envelopes provid more protection during transit as compared to basic poly mailers and don't add too much bulk, as a result the shipping is so much cheaper than the complicated larger packages. Enhence Company Image and Customize Your Brand•Tape, wrapping film and corrugated cardboard box......This is too much trouble when you prepare to ship items. It's time to say bye to the troublesome!! •Come to UCGOU! Send your package in clean, simple but grand style which would help to upgrade your company professional image. Believe us. High-efficiency mailers would really stand out and make your customers smile when they opened their mailbox. Review: The Perfect Bubble Mailer! - These UCGO Bubble Mailers are great! I highly recommend them. They are not too small and not too large. 8.5x12 can fit several small boxes in it. I sell jewelry, so this is the perfect size to fit the pieces that are in boxes, into the bag. These bags are eye catching with the beautiful shade of purple. The bags self seal securely, so no glue or tape is needed. These bags are padded and waterproof, so whatever you may be shipping out in these bags, you can feel confident that your products will make it to the receiver, in excellent condition. The price is good and you can usually find a promotion code that is offered. Review: Durable and Super Protective of Content - Excellent product. Durable, eye catching colors, and protective for content. I'm a small publisher and often get orders for 2-3 books. These bubble packets are perfect for those small orders. The books always arrive in mint condition. ## Features - DIMENSION 8.5x12-Inch white poly bubble cushioned lined envelopes. Usable size: 8.5x11 inch. With opaque white outer and grey inner poly film, The bubble envelopes feel nice to the touch and are perfect for handwriting, labeling and stamping. - SELF SEALED ENVELOPES The adhesive on the fold-over flap is strong enough and goes end-to-end. There's no need reinforcement tape and it doesn't come apart unless you tear it up. - CUSHION MAILERS These are kraft paper lined with 80gsm bubble. The padding is sufficient to mail the items that needed protection. Keep your product safety. - International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions..International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B06XJ5PRMX | | Best Sellers Rank | 239,008 in Stationery & Office Supplies ( See Top 100 in Stationery & Office Supplies ) 832 in Padded Envelope Mailers | | Brand | UCGOU | | Brand Name | UCGOU | | Closure Type | Self-Seal | | Closure type | Self-Seal | | Colour | White,Grey | | Customer Reviews | 4.8 out of 5 stars 12,752 Reviews | | Item Dimensions L x W | 30.5L x 21.6W centimetres | | Item Shape | Rectangular | | Item Weight | 12.8 Ounces | | Manufacturer | UCGOU | | Material | Plastic | | Material Type | Plastic | | Number of Items | 25 | | Number of items | 25 | | Occasion | Everyday Use | | Occasion Type | First Communion | | Recommended Uses For Product | Face Makeup | | Size | 8.5x12" 25PC | | Special Features | Lightweight, Self Seal, Water Resistant | | Style | Protection,Safety | | UPC | 602447067143 | | Unit Count | 25.0 count | ## Product Details - **Brand:** UCGOU - **Colour:** White,Grey - **Closure type:** Self-Seal - **Occasion:** Everyday Use - **Material:** Plastic ## Images ![UCGOU 8.5x12 Inch White Padded Envelopes Water Proof Poly Bubble Mailers Self Seal Mailing Envelopes Book Mailers 25pcs - Image 1](https://m.media-amazon.com/images/I/71J65SWNQ0L.jpg) ![UCGOU 8.5x12 Inch White Padded Envelopes Water Proof Poly Bubble Mailers Self Seal Mailing Envelopes Book Mailers 25pcs - Image 2](https://m.media-amazon.com/images/I/71wmiI49fXL.jpg) ![UCGOU 8.5x12 Inch White Padded Envelopes Water Proof Poly Bubble Mailers Self Seal Mailing Envelopes Book Mailers 25pcs - Image 3](https://m.media-amazon.com/images/I/71I7-hGiN9L.jpg) ![UCGOU 8.5x12 Inch White Padded Envelopes Water Proof Poly Bubble Mailers Self Seal Mailing Envelopes Book Mailers 25pcs - Image 4](https://m.media-amazon.com/images/I/71rE9-zbEGL.jpg) ![UCGOU 8.5x12 Inch White Padded Envelopes Water Proof Poly Bubble Mailers Self Seal Mailing Envelopes Book Mailers 25pcs - Image 5](https://m.media-amazon.com/images/I/61WXurtf6JL.jpg) ## Available Options This product comes in different **Color, Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ The Perfect Bubble Mailer! *by A***R on 30 June 2025* These UCGO Bubble Mailers are great! I highly recommend them. They are not too small and not too large. 8.5x12 can fit several small boxes in it. I sell jewelry, so this is the perfect size to fit the pieces that are in boxes, into the bag. These bags are eye catching with the beautiful shade of purple. The bags self seal securely, so no glue or tape is needed. These bags are padded and waterproof, so whatever you may be shipping out in these bags, you can feel confident that your products will make it to the receiver, in excellent condition. The price is good and you can usually find a promotion code that is offered. ### ⭐⭐⭐⭐⭐ Durable and Super Protective of Content *by J***S on 8 July 2026* Excellent product. Durable, eye catching colors, and protective for content. I'm a small publisher and often get orders for 2-3 books. These bubble packets are perfect for those small orders. The books always arrive in mint condition. ### ⭐⭐⭐⭐⭐ Very Pretty! *by S***S on 8 June 2026* Beautiful color for my book shipments! I have this in pink, envelopes are thick, protective, and great price! ## Frequently Bought Together - UCGOU Bubble Mailers 8.5x12 Inch White 25 Pack Usable Size 8.5x11 Poly Padded Envelopes #2 Medium Mailing Opaque Packaging Postal Self Seal Waterproof Boutique Shipping Bags for Clothes Makeup - Quality Park Bubble Mailers, 6 x 9 Inch, White Poly Mailers, Padded Envelopes, Shipping Envelopes, Water Resistant, Self Seal, 50 Per Box (QUA85856), Plastic - Fuxury White Bubble Mailers 10.5x16 Inch 25 Pack, Self Seal Padded Envelopes Waterproof Shipping Bags, Padded Mailers, Bubble Bags for Mailing, Packaging, Small Business, #5 --- ## 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.tw/products/123676583-ucgou-8-5x12-inch-white-padded-envelopes-water-proof-poly](https://www.desertcart.tw/products/123676583-ucgou-8-5x12-inch-white-padded-envelopes-water-proof-poly) --- *Product available on Desertcart Taiwan* *Store origin: TW* *Last updated: 2026-09-18*