Bubble Mailers 4x8" 400Pack Padded Envelopes True 4x7" Usable Size

Key features

• 50% Thicker Bubble CushioningMetronic Thickness Bubble Mailers provide superior protection for your valuables. Their 1/7" ultra-thick bubble design is 50% thicker than standard versions, creating a powerful shock-absorbing barrier. These padded envelopes are ideal for shipping fragile items such as perfume, ceramics and jewellery. They significantly reduce the risk of damage caused by bumps, drops or rough handling during transit.
• Fits 4x7" Items PerfectlyOur small padded mailers are specifically designed with a generous usable internal dimensions of 4.76 x 7"(outside: 4.76x8"), making them the gold-standard solution for 4x7 inch items, sports cards, trading cards, chargers and other small items. Say goodbye to items that won't fit in bubble envelopes！
• Waterproof & DurableWe never compromise on durability. Our thickened small bubble mailers are made from high-quality, tear-resistant polyethylene with a waterproof layer that protects against light moisture, dust and accidental spills. Metronic mailing envelopes bubble padded are ideal for packaging, shipping and mailing, ensuring your parcels arrive intact.
• Strong Self-Adhesive Seal & Tamper-Proof Bubble mailing envelopes utilize a weather-resistant adhesive that provides a reliable seal even under demanding conditions, helping to prevent tampering during transit. The poly bubble mailers self-sealing design enables effortless closure in seconds, making them ideal for e-commerce, retail boutiques, stationery stores, and beyond as a simple, hassle-free packaging solution.
• Why Choose UsAs a trusted brand specializing in shipping envelopes bubble mailer, Metronic understands that packaging protection is paramount to your needs. That's why we've introduced these newly upgraded thick bubble mailers, offering a premium solution far exceeding standard mailing envelopes. With a 50% increase in internal bubble thickness, they provide exceptional cushioning for valuable and fragile items. Additionally, their expanded 4.76×8 inch design perfectly accommodates 4×7" items, solving the common issue of size mismatches found in the market. Choose Metronic for thoughtful and professional protection for your business.

Enhance Company Image and Your Brand Metronic is engaged in thickness Bubble Mailer product supplies. The Metronic design group is a talented and experienced team,Our Bubble Mailers incorporate 2026 fashion and popular elements, delivering unique products tailored to match each customer’s requirements and markets. making your products more attractive and giving your client or loved one a good mood.Metronic Poly bubble mailers is Your Best Choice. Bright Color and Premium Design These padded envelopes are fantastic color, they have thicker bubble inside each envelope which is enough to keep what you mail out in place and safe. After Service Metronic store every product comes with a well service.

Free shipping on orders $50+. 30-day hassle-free returns.