A stack of white **heavy duty poly mailer** bags designed for shipping heavy clothing and shoes.

Waterproof Heavy Duty Poly Mailer (Puncture Resistant)

Name: Waterproof Heavy Duty Poly Mailer (Puncture Resistant)
Brand: Yun Sealoong
SKU: C7-1-003
Price: 0.08 USD
Availability: InStock

Secure your shipments with our **heavy duty poly mailer**. Featuring an extra-thick 3-4 mil construction, these puncture-resistant bags are ideal for shipping heavy apparel, shoes, and boxed items.

SKU: C7-1-003 Categories: All Products, E-commerce & Logistics Brand: Yun Sealoong

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Description
Additional information

The Ultimate Protection: Heavy Duty Poly Mailer

Stop worrying about shipping damage. Our **heavy duty poly mailer** is engineered for e-commerce sellers who need extra protection. Unlike standard thin bags, these mailers utilize a 3-4 mil (75-100 micron) thick co-extruded film, making them virtually tear-proof and puncture-resistant.

Why Choose Our Heavy Duty Poly Mailer?

Extra Thickness: At 3-4 Mil thick, this **heavy duty poly mailer** is up to 100% thicker than standard mailing bags, providing a robust shield against rough handling.
Puncture Resistant: The co-extruded LDPE/HDPE material is specifically designed to resist punctures, making it the perfect choice for shipping items with sharp corners like shoe boxes or hardware.
Waterproof & Secure: Keep your products dry and safe. The waterproof material and permanent self-adhesive strip ensure your package stays sealed and protected in any weather.

Ideal For Shipping:

Heavy Apparel (Jeans, Hoodies, Coats)
Shoe Boxes
Books & Catalogs
Industrial Parts & Hardware

SPECIFICATION	PRODUCT DETAILS
Product Name	Custom Logo Printed Waterproof Poly Shipping Envelope (Heavy Duty)
Features	Heavy Duty, Puncture Resistant, Waterproof, Tear-proof, Opaque (High Confidentiality) EXTRA-THICK 3-4 MIL DURABILITY: Unlike standard mailers, our Heavy Duty Poly Mailer features a premium 3-4 mil (75-100 micron) thickness, offering superior strength to handle heavier items like jeans, hoodies, and shoe boxes. SUPERIOR PUNCTURE RESISTANCE: Engineered with a multi-layer co-extruded film, this Puncture Resistant Bag effectively prevents rips and tears from sharp corners or rough handling, ensuring your products arrive in perfect condition. SECURE & TAMPER-EVIDENT SEAL: Each Shipping Envelope is equipped with a high-strength, self-adhesive strip that bonds within seconds. Once sealed, the bag cannot be opened without visible damage, providing maximum security. WATERPROOF & WEATHER-RESISTANT: Protect your goods from the elements. Our Waterproof Packaging Bag keeps contents dry and clean, shielding them from rain, dirt, and moisture during the entire shipping process. CUSTOM BRANDING & SIZES: We offer fully customizable solutions. Add your Custom Logo Print to these robust bags and choose from a wide range of sizes to perfectly fit your specific industrial or clothing packaging needs.
Brand Name	Yun Sealoong
Place of Origin	Henan, China
MOQ	1000 pcs (Dependent on size and printing)
Material	Multi-layer Co-extruded Polyethylene (LDPE/HDPE)
Thickness	Extra Thick: 3 - 4 mil (75 - 100 microns) for High Puncture Resistance
Size	Custom Size Accepted (Popular: 6x9, 10x13, 12x15.5, 14.5x19, 19x24 inch)
Color	Custom Pantone Colors (e.g., White/Grey, Black, Pink, Green)
Printing	Rotogravure Printing / Flexo Printing (Up to 8 Colors)
Closure	Strong Permanent Self-Adhesive Seal (Tamper Evident / Destructive Glue)
Eco-Friendly Option	PCR (Post-Consumer Recycled) or Biodegradable material available upon request
Application	Shipping Heavy Apparel (Jeans, Hoodies), Shoe Boxes, Books, Industrial Components, Sharp-edged items
Industrial Use	E-commerce Logistics, Apparel Brands, Courier Services, Mailing System
Packaging	100 pcs/bundle, 500-1000 pcs/carton (Based on size)
Certificate	ISO9001, ROHS, REACH
Samples	Free stock samples available for quality check

A stack of white **heavy duty poly mailer** bags designed for shipping heavy clothing and shoes. Waterproof Heavy Duty Poly Mailer (Puncture Resistant)