China Black Bubble Mailer Envelopes Bag Manufacturers, Suppliers, Factory

At Zeal X, our Kraft Paper Bubble Mailers redefine eco-conscious packaging with uncompromising protection. Made from 100% recyclable and biodegradable kraft paper, these mailers feature an integrated bubble cushioning layer that absorbs shocks, ensuring fragile cosmetics like glass bottles, palettes, and serums arrive intact. Customize sizes and vibrant prints to align with your brand’s aesthetics, turning every shipment into a branded experience. Ideal for eco-minded beauty brands, our mailers eliminate plastic waste while offering superior durability—perfect for e-commerce, boutiques, or subscription boxes. Choose Zeal X to deliver sustainability, safety, and a premium unboxing moment.

Zeal X Glassine Paper Express Bag launched by Zeal X is made of 100% pure natural Glassine Paper, featuring both environmental friendliness and excellent performance. The product has passed FSC certification, ensuring that raw materials are sourced from sustainably managed forests and meeting global environmental compliance requirements 310. The paper is processed by super calendering technology, with a dense and uniform texture. It has excellent tear resistance and load-bearing capacity, perfectly replacing plastic packaging and is suitable for the protection of high-value goods such as shoes, clothing, toys, cosmetics and electronic products. Supports multi-color custom printing, which can accurately present brand logos, patterns or product information. With flexible size design, it is suitable for the needs of various scenarios such as e-commerce express delivery and retail, helping brands convey a high-end green image

Zeal X Glasin paper bag-Bottom gusset, smooth, translucent paper, resealable adhesive strips. These glassine bags are still a great alternative to paper, it is made of 100% pulp, used to replace the clear polyethylene bag as the core.Most brands use clear plastic bags as their inner packaging by default.But as more brands try to eliminate plastic packaging from their businesses - many are rethinking plastic bags and wondering if there are more renewable, recyclable, more circular options out there.Glassine paper is denser than standard paper (almost twice as dense!). It has higher rupture and tensile strength than standard paper.Like all paper, glassine paper comes in different weights, and you'll need to choose a variety of quality, density and strength glasssine paper depending on the product.

Zeal X Ldpe Plastic Bag is made of LDPE（low-density polyethylene） material, non-toxic, tasteless, waterproof, light weight, but strong toughness, strong sealing, and reusable. Flat pockets are often used to pack items such as clothing, food, documents, and small parts. They are also used in industrial Settings to pack and transport a variety of materials, including powders, pellets and chemicals. Although they are thin, they are extremely flexible and durable, they can easily conform to the shape of the item being packaged, and can withstand minor stresses and shocks during transportation and storage. Flat pockets can be transparent or tinted, making the contents easily visible, which is especially useful for retail packaging or when the contents need to be identified quickly. Perfect for storing food, candy, clothes, toys, cosmetics, office supplies, craft supplies, etc., protecting them from moisture and dust.

Our Recycled Plastic Bag is manufactured with GRS‑certified recycled materials, ensuring compliance with the Global Recycled Standard’s rigorous requirements for chain of custody and a minimum of 20% post‑consumer content.These 100% non‑toxic, eco‑friendly bags support custom printing—from vibrant logos to QR codes—so your branding and promotional messages stand out on every package.With fully customizable dimensions and adjustable thickness, they deliver tear‑resistant durability and heavy‑duty load‑bearing performance to protect goods during transit .Ideal for shoe & apparel packaging, toy packaging, and electronic storage, these bags safeguard contents from dust, moisture, and damage throughout the supply chain.

Zeal X Reusable Plastic Bag made of 100% new LDPE, the zipper bag is very durable and strong, non-toxic, tasteless, acid-free and provides good protection and display for your goods. Zipper lock plastic bags are completely sealed and waterproof, transparent and stronger transparent handling bags have excellent isolation function to keep items dry and neat. Self-sealing plastic bags are easy to open and close, with instant safety self-sealing zipper, can be reused many times, can better save your goods, with resealable self-sealing function, no need to twist, easy to open and close. Different sizes are suitable for different fields, such as storage, clothing, shoes, jewelry, medical, hardware accessories, etc.