--- product_id: 485041401 title: "- METRONIC Bubble Mailers 8.5x12\" Padded Envelopes Black 40 Pack Self Seal" brand: "metronic" price: "₨36318" currency: LKR in_stock: true reviews_count: 13 category: "Metronic" url: https://www.desertcart.lk/products/485041401-metronic-bubble-mailers-8-5x12-padded-envelopes-black-40-pack store_origin: LK region: Sri Lanka --- # 8.5x12 inch size, perfect fit Strong self-seal adhesive strip 80gsm bubble cushioning tech - METRONIC Bubble Mailers 8.5x12" Padded Envelopes Black 40 Pack Self Seal **Brand:** metronic **Price:** ₨36318 **Availability:** ✅ In Stock ## Summary > 📦 Ship Smart, Ship Stylish — Protect with Confidence! ## Quick Answers - **What is this?** - METRONIC Bubble Mailers 8.5x12" Padded Envelopes Black 40 Pack Self Seal by metronic - **How much does it cost?** ₨36318 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/485041401-metronic-bubble-mailers-8-5x12-padded-envelopes-black-40-pack) ## 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 - • **Effortless Security:** Peel & seal adhesive strip ensures tamper-evident, reliable closure every time. - • **Next-Level Protection:** 80gsm multi-layer bubble cushioning absorbs shocks and resists tears, punctures, and water. - • **Sleek & Professional Black:** Stand out with stylish black mailers that elevate your brand’s unboxing experience. - • **Cost-Effective & Eco-Friendly:** Lightweight padded envelopes reduce shipping costs and eliminate bulky boxes and tape. - • **Perfectly Sized for Efficiency:** 8.5x12 inches with 8.5x11 usable space—ideal for books, clothes, and more. ## Overview METRONIC Bubble Mailers 8.5x12" (40 pack) are premium black padded envelopes designed for small businesses and professionals. Featuring 80gsm bubble cushioning with advanced air cellular layers, these tear-resistant, waterproof mailers provide superior protection for books, clothing, and delicate items. The strong self-sealing adhesive strip offers tamper-evident security, while the sleek black design enhances brand image. Lightweight and cost-effective, these mailers streamline shipping by eliminating the need for boxes and tape. ## Description desertcart.com : METRONIC Bubble Mailers 8.5x12" Padded Envelopes Black 40 Pack Self Seal | Usable Size 8.5x11",Waterproof Cushioning Medium Bags for Small Business Shipping,Books,Clothes,Mailing Pouches,Bulk : Office Products Review: Perfect for Shipping Books—Strong and Reliable - I use these regularly for shipping books, and they’ve been fantastic. The size is just right for standard books, and the usable space actually fits what I need without feeling cramped. The padding provides great protection, and the envelopes themselves feel sturdy and well-made. I haven’t had any issues with tearing, splitting, or damage during shipping—even with heavier books. They also seal well and hold up through the mailing process, which gives me peace of mind when sending out orders. If you’re shipping books or similar items, these are a great, reliable option. I’ll definitely keep repurchasing. Review: Reliable, Durable, and the Best Value for Mid-Size Mailers - I’ve purchased these Metronic Large Bubble Mailers (10.5x16", 40 Pack, Black) several times now, and they continue to be my go-to choice for shipping. They’re one of the best values I’ve found for padded mailers in this size, especially if you want a colored option without committing to buying hundreds or thousands at once. I’ve shipped hundreds of items with these mailers, and they’ve always held up well in transit. The bubble padding provides solid protection, and the envelopes are sturdy enough to resist tearing or damage during shipping. The adhesive is also reliable — I simply press it down once and never worry about it coming loose, and I’ve never had a single complaint from customers. The black color gives them a sleek, professional look, which is a nice touch if you’re shipping for a small business and want packaging that stands out a bit more than standard white mailers. If you’re looking for durable, good-looking padded envelopes at a fair price, I’d definitely recommend these. ## Features - 【Black 8.5 x 12 Bubble Mailers Usable Size 8.5x11】 Black padded envelopes are a fun and fashionable way for you. Each shipping bags bubble mailers measures 8.5x12 inches, pack of 40 mailers. - 【Cushioning Mailers】Being a shipping bags for clothes and comic book mailers, our bubble mailer is lined with 80gsm bubble with unique air cellular layers and all-round strong air bubble technology, helping absorb shock during shipment. The shipping envelopes bubble mailer keeping your products safety. - 【Simply Peel & Seal 】 Each mailing envelopes contains a strong self-sealing adhesive strip. Simply peel and fold over to seal each package safely and securely. Packaging for small business and boutiques. Mailing envelopes bubble padded are convenient, lightweight. Eliminate the need for shipping boxes and tape by using padded mailing envelopes instead. - 【Strong & Sustained Construction 】 Our poly bubble mailers are crafted with only the finest materials. Ship your packages confidently with these strong and sustained padded envelopes 8.5x11 . Each padded mailers is equipped with a strong self-sealing adhesive strip that is tamper-resistant and tamper-evident. These bubble mailer 8.5x12 are tear-resistant, puncture-resistant, and waterproof. A thick layer of air bubbles protects against impact. - 【Convenient & Economical】 Bubble mailers are an affordable alternative to standard packaging, and they will help keep your customer's items safe . 8.5x12 bubble mailers are great for shipping light and less fragile products. These bubble mailers 8.5x12 are perfect for shipping a variety of items such as clothing, accessories, jewelry, makeup, cosmetics, books and much more. - 【Build A Lasting Impression】Our color shipping envelopes are sure to make a lasting impression and keep your customers coming back. By building successful brand imagery you will cultivate a loyal customer base. Let our color mailers help you to build your business and your brand while saving you money! ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0B8GGYZLC | | Additional Features | Padded, Scratch Resistant, Security Tint, Self-Adhesive Closure, Tear Resistant | | Best Sellers Rank | #3,915 in Office Products ( See Top 100 in Office Products ) #51 in Envelope Mailers | | Brand | METRONIC | | Brand Name | METRONIC | | Closure Type | Self-Seal | | Color | Black | | Customer Reviews | 4.8 out of 5 stars 1,434 Reviews | | Item Dimensions L x W | 12"L x 8.5"W | | Item Shape | Rectangular | | Manufacturer | METRONIC | | Material | Plastic | | Material Type | Plastic | | Model Name | Bubble Mailer | | Number of Items | 40 | | Occasion | Anniversary, Christmas, Halloween, New Year, Thanksgiving | | Occasion Type | Thanksgiving | | Recommended Uses For Product | Books;CD;Periodicals;Comic Book;Disc;Clothes, Cash, Disc, Invitation Card, Letter, Seed | | Size | 8.5x12" 40PC | | Style | Classic | | Unit Count | 40 Count | ## Product Details - **Brand:** METRONIC - **Closure Type:** Self-Seal - **Color:** Black - **Material:** Plastic - **Occasion:** Anniversary, Christmas, Halloween, New Year, Thanksgiving ## Images ![- METRONIC Bubble Mailers 8.5x12" Padded Envelopes Black 40 Pack Self Seal - Image 1](https://m.media-amazon.com/images/I/813ap0O4dfL.jpg) ## Available Options This product comes in different **Color, Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Perfect for Shipping Books—Strong and Reliable *by K***0 on March 25, 2026* I use these regularly for shipping books, and they’ve been fantastic. The size is just right for standard books, and the usable space actually fits what I need without feeling cramped. The padding provides great protection, and the envelopes themselves feel sturdy and well-made. I haven’t had any issues with tearing, splitting, or damage during shipping—even with heavier books. They also seal well and hold up through the mailing process, which gives me peace of mind when sending out orders. If you’re shipping books or similar items, these are a great, reliable option. I’ll definitely keep repurchasing. ### ⭐⭐⭐⭐⭐ Reliable, Durable, and the Best Value for Mid-Size Mailers *by K***T on September 16, 2025* I’ve purchased these Metronic Large Bubble Mailers (10.5x16", 40 Pack, Black) several times now, and they continue to be my go-to choice for shipping. They’re one of the best values I’ve found for padded mailers in this size, especially if you want a colored option without committing to buying hundreds or thousands at once. I’ve shipped hundreds of items with these mailers, and they’ve always held up well in transit. The bubble padding provides solid protection, and the envelopes are sturdy enough to resist tearing or damage during shipping. The adhesive is also reliable — I simply press it down once and never worry about it coming loose, and I’ve never had a single complaint from customers. The black color gives them a sleek, professional look, which is a nice touch if you’re shipping for a small business and want packaging that stands out a bit more than standard white mailers. If you’re looking for durable, good-looking padded envelopes at a fair price, I’d definitely recommend these. ### ⭐⭐⭐⭐⭐ Excellent Product *by D***S on July 25, 2026* These mailers are fantastic! They are thick and not flimsy and protect the item well. They are amazing quality and look cute. I use them to ship from my online store. I get great reviews on the packing. --- ## 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.lk/products/485041401-metronic-bubble-mailers-8-5x12-padded-envelopes-black-40-pack](https://www.desertcart.lk/products/485041401-metronic-bubble-mailers-8-5x12-padded-envelopes-black-40-pack) --- *Product available on Desertcart Sri Lanka* *Store origin: LK* *Last updated: 2026-09-05*