20 Pack 12x10x3 inches Black Shipping Boxes, Corrugated Mailer Boxes, Packaging Boxes for Products, Recyclable Cardboard Box, Flat Literature Mailers for Gifts, Small Business by Mailing

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• 【Small shipping Boxes 20 Pack】 You will get one parcel with 20 pieces black mailing boxes . Each shipping box measures 12 x 10 x 3 inches outer size, and 11.6 x 9.8 x 2.9 inches inner size. We pay attention to every detail of the carton production. The support of 90° right-angle will protect your items in good condition while delivery.
• 【Black Cardboard Boxes 】:12 x 10 x 3 inches black boxes feature perfectly flat edges, zero burrs, and the outer a smooth black finish – professional look ,the interior are brown and have corrugated marks . The two colors combination makes Corrugated Cardboard Boxes look elegant and beautiful, ideal for gift packaging or shipping packaging.
• 【Heavy-Duty & Gift-Ready Black Mailers:】 Crafted from 32 ECT grade material corrugated cardboard, these boxes are stiffer than standard boxes for ultimate protection. They're strong, durable, and easy to pack – saving you time on packaging. The sleek black finish looks professional and polished, making them perfect for premium shipping or elegant gift-giving. recyclable design means value that lasts!
• 【Easy to Assemble Black Mailer Box】: The assembly of the shipping boxes is very simple. Every box's line is clear, making the packaging can be folding in a few seconds without tape, glue or staples. The simple and effective design makes the assembly easy, convenient and fast. The shipping box is resistant to impact and pressure, which can reduce the wear and tear of the goods during transportation, and provide better protection.
• 【Widely used】: These 12''X10''X3'' boxes are very suitable for mailing, gifting packaging and storing cute items, such as books, jewelry, soap, candles, accessories, underwear, electronics, Jewelry, cosmetics, etc. These black boxes are suitable for gift giving. Makes your packages stand out more than others. Perfect for holiday, wedding gifts, Christmas gifts and birthday gifts or other occasions.
• 【 DIY Appearance 】:Love to personalize? These 12 X10 X3 sleek boxes are perfect for DIY – add stickers, paint, or ribbons to create a truly unique presentation! Or with branded stickers designs to transform basic shipping. Turn every shipment into a powerful branding opportunity.