15x20cm Square Bottom Paper Bag Sturdy Eco Friendly Shipping Envelopes

Product Overview

Square-bottom paper envelopes and food-grade variants are sturdy, eco-friendly packaging solutions designed for retail, food delivery, and premium branding. These envelopes combine structural integrity, aesthetic flexibility, and compliance with food safety standards. Fully customizable in size, color, and design, they cater to businesses prioritizing sustainability and visual appeal.

Key Features & Benefits

Square-Bottom Paper Envelopes

• Reinforced Corners: Triple-layered edges prevent tearing under heavy loads (up to 15 kg).

• Water-Resistant Coating: Plant-based wax layer repels moisture without microplastics.

• Interactive Branding: Embed NFC tags or QR codes for promotions, AR experiences, or recycling guides.

Food-Grade Square-Bottom Envelopes

• FDA/EU Compliance: Made from virgin kraft paper with food-safe soy ink.

• Greaseproof Barrier: PFAS-free cellulose coating repels oils and fats.

• Compostable & Marine-Safe: Breaks down in seawater within 90 days (TÜV OK Marine).

Dongguan Taihong Packaging Products Co., Ltd. is located at 66 Xinglang Road, Huangjiang Town, Dongguan City.
The company was established in 2012, mainly engaged in research and development, production, and sales of honeycomb paper envelope bags PE/PO co extruded film express parcel bags, express envelope bags, bubble bags, bubble wrap, confidential express bags, environmentally friendly shopping bags, insulation bags, PE bone bags, PE tote bags, various PE/PP packaging products, gift bag composite bags, cushioning inflatable bags, etc. At present, there are more than 200 production personnel, and the production line is equipped with a one-stop production line for tube production, printing, bag cutting, and packaging.
Film blowing machine: 16 bubble coating machines: 2 printing machines: 10 bag cutting machines: 30
Flat bag machine: 10 units Roll bag cutting machine: 15 units