--- product_id: 314163532 title: "UCGOU 4x8 Inches Poly Bubble Mailers Self Seal Black Padded Envelopes Waterproof Envelopes Shipping Envelopes Bags Pack of 50" brand: "ucgou" price: "€ 32.58" currency: EUR in_stock: true url: https://www.desertcart.it/products/314163532-ucgou-4x8-inches-poly-bubble-mailers-self-seal-black-padded store_origin: IT region: Italy --- # Waterproof & tear-resistant 4x8 inch perfect compact size Opaque privacy protection UCGOU 4x8 Inches Poly Bubble Mailers Self Seal Black Padded Envelopes Waterproof Envelopes Shipping Envelopes Bags Pack of 50 **Brand:** ucgou **Price:** € 32.58 **Availability:** ✅ In Stock ## Summary > 📦 Seal it, ship it, secure it — the smart mailer for the savvy pro. ## Quick Answers - **What is this?** UCGOU 4x8 Inches Poly Bubble Mailers Self Seal Black Padded Envelopes Waterproof Envelopes Shipping Envelopes Bags Pack of 50 by ucgou - **How much does it cost?** € 32.58 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.it](https://www.desertcart.it/products/314163532-ucgou-4x8-inches-poly-bubble-mailers-self-seal-black-padded) ## 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 - • **Privacy First:** Opaque black exterior with gray inner lining ensures your contents stay confidential. - • **All-Weather Seal:** Four-season adhesive guarantees a secure seal in any climate, preventing tampering. - • **Boost Your Brand:** Sleek black design elevates your packaging game, making your shipments stand out professionally. - • **Compact & Protective:** Precisely sized 4x8 inch mailers with full bubble cushioning to safeguard your valuables. - • **Durable & Waterproof:** Reinforced polyethylene construction resists punctures, tears, and moisture for worry-free shipping. ## Overview UCGOU’s 4x8 inch black poly bubble mailers combine compact design with robust protection, featuring opaque privacy lining, a strong all-season self-seal adhesive, and waterproof, tear-resistant construction. Ideal for professionals shipping valuable small items, these 50-pack padded envelopes enhance security and brand presence while streamlining your packaging process. ## Description 4x8 Inches Poly Bubble Mailers Self Seal Black Padded Envelopes Waterproof Envelopes Shipping Envelopes Bags Pack of 50 ## Features - Opaque Poly Bubble Mailers: The black bubble mailers outer size is 4x8 inch, while the inner size is 4x7 inch. With full air bubbles, our bubble mailers can protect your value products from damage caused by external impacts. The inner lining is using gray film, even if there is strong light, the items in the bag cannot be seen, which can protect your privacy well - Strong Self Sealing Adhesive: Our padded 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 cards, coin, jewelry, makeup supplies 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 | |---------------|-------| | Manufacturer | UCGOU | | Brand | UCGOU | | Model number | AZ006 | | Product Dimensions | 20.32 x 10.16 x 0.1 cm; 349.27 g | | Color | Black | | Closure | Self-Seal | | Shape | Rectangular | | Material Type | Plastic | | Number of Items | 50 | | Size | 4x8" 50PC | | Manufacturer Part Number | AZ006 | | Item Weight | 349 g | ## Product Details - **Brand:** UCGOU - **Colour:** Black - **Closure type:** Self-Seal - **Material:** Plastic - **Number of Items:** 50 ## Images ![UCGOU 4x8 Inches Poly Bubble Mailers Self Seal Black Padded Envelopes Waterproof Envelopes Shipping Envelopes Bags Pack of 50 - Image 1](https://m.media-amazon.com/images/I/713XeYg-djL.jpg) ## Available Options This product comes in different **Color, Size** options. ## Questions & Answers **Q: Can I put a 6oz jar in this size envelope?** A: I would recommend mailing a jar in a small box. Unfortunately it would not fit properly in this envelope. It would also break due to minimal protection. **Q: Do these qualify to put stamp first class?** A: Yes - these can be used to ship First Class through the USPS as long as the total weight is under 13 ounces. **Q: Could I get a pait of sock in these or do you know the Inside height when its sealed** A: Yes you can. Would work if you even had to fold them. The inside height when sealed is probably 7 inches **Q: What size Avery labels work with this size mailer?** A: 4-3/4X6-3/4- labels. ## Frequently Bought Together - UCGOU Bubble Mailers 4x8 Inch Black 50 Pack Usable Size 4x7 Padded Envelopes Small Business Mailing Package Opaque Self Seal Adhesive Waterproof Boutique Shipping Bags for Jewelry Makeup Supplies #000 - Trading Card Shipping Protectors - Premium Ultra Strong Plastic Inserts - 110 Pack - 3.5'' x 4.5'' - Fuxury Bubble Mailers 6x10" 100 Pack Black Padded Envelopes Usable Size 6x9" Thick Mailing Envelopes Bubble Opaque Padded Mailers Shipping Bags for Mailing Jewelry Makeup Small Business#0 --- ## 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.it/products/314163532-ucgou-4x8-inches-poly-bubble-mailers-self-seal-black-padded](https://www.desertcart.it/products/314163532-ucgou-4x8-inches-poly-bubble-mailers-self-seal-black-padded) --- *Product available on Desertcart Italy* *Store origin: IT* *Last updated: 2026-05-08*