3x3" Small Self Adhesive Sealed Bubble Envelopes Bulk Double Layer Padded Packaging

Introduction

Ensure your items arrive safely with our 3*3” Small Self-Adhesive Bubble Mailers! Designed for eCommerce sellers, small businesses, and frequent shippers, these double-layer transparent bubble envelopes provide superior protection against bumps, drops, and moisture during transit.

The heavy-duty PE bubble film features extra-thick air cushions (3/16") to absorb shocks, while the self-adhesive flap allows for quick sealing—no tape needed! The transparent design lets you easily verify contents, and the lightweight construction helps save on shipping costs.

Ideal for shipping jewelry, phone accessories, cosmetics, small electronics, crafts, or trading cards, these mailers are water-resistant and tear-proof, ensuring your products reach customers intact. Eco-conscious? Our bubble bags are recyclable and reusable!

Why Choose Us?
✅ Double-layer bubbles for 2X protection vs. standard mailers.
✅ Strong adhesive strip—seals securely without peeling.
✅ Professional look with a sleek transparent finish.
✅ Versatile size fits Amazon FBA, eBay, Etsy, and Shopify orders.

Parameters

Founded in 1997 by Mr. Shen Xiaoming, Changzhou Kent Plastic Packaging Co., Ltd. is an enterprise specializing in the R&D, production and sales of plastic and paper products, with a 20,000-sqm headquarters in Changzhou and a 50,000-sqm factory in Wuxi. It has invested in and partnered with more than 10 manufacturing plants, operating over 100 production lines, offering a wide range of plastic and paper products and base materials, including cushioning packaging materials, biodegradable packaging materials,  and functional packaging materials.

Driven by Kent’s innovative culture, its independent R&D team has obtained numerous patents, leveraging rich experience, advanced technology, and a spirit of unity and cooperation. It has established long-term partnerships with many domestic universities, staying at the forefront of developments in the latest industry developments in new raw material technologies to constantly improve its product variety and performance.

Guided by ethical leadership, Kent’s employees embrace a culture of honesty, integrity, and responsibility. Since its founding, the company has adhered to the value of “Quality, Customer, Integrity," and consistently strives to meet every customer need. The company always strives to meet every possible customer need. All products are manufactured under professional operational guidance, undergo standardized inspection procedures, and have obtained CE, ASTM, SGS, REACH, RoHS, GRS, FSC, OK Compost, and other professional certifications.

Over the past 30+ years, Kent has earned the trust and loyalty of a broad customer base. With the principle of "Empowering customers to achieve success," Kent is committed to becoming your most reliable long-term partner. We sincerely welcome cooperation with enterprises worldwide to achieve a win-win outcome.