Blue Slime Checkerboard Designer Poly Mailers - 2.5 Mil Heavy Duty Shipping Bags

Give your packages an edge with our Blue Slime Checkerboard Poly Mailers. Combining a classic retro grid with a modern liquid-drip aesthetic, these mailers are designed for brands that want to stand out in a pile of boring brown boxes. Perfect for streetwear labels, vintage resellers, and creators with a bold style.

These aren't just for looks—they’re built to handle the hustle. Crafted at 2.5 mil thickness, these mailers provide the heavy-duty durability your products deserve.

• Pro-Grade Durability: 2.5 mil thickness offers maximum protection against punctures and tears.

• Tamper-Proof Seal: Features a powerful self-adhesive "Peel & Seal" strip for a secure, permanent closure.

• Weatherproof Protection: Moisture-resistant material keeps your items safe from rain, snow, and dirt.

• Opaque & Private: Dark interior lining ensures your contents are completely hidden.

Size & Quantity Guide

• 6" x 9": Best for accessories, beanies, jewelry, and small electronics.

• 10" x 13": The standard size for t-shirts, hoodies, and light apparel.

Available in packs of 25, 50, or 100 to scale with your business.