Protect and ship your items efficiently with our high-quality Superflat Letter Gauge Rigid Mailers. Measuring 152 x 132 x 16mm, these boxes are designed to fit within letter gauge postal requirements, making them ideal for sending documents, photos, and other flat items. This pack of 100 ensures you have a reliable and professional packaging solution for all your mailing needs.

• Slim and Efficient Design: At just 16mm thick, these mailers are perfect for items that need to stay flat and compact, fitting within standard letter gauge postal requirements.
• Durable Construction: Made from high-quality rigid cardboard, these mailers provide excellent protection against bending, crushing, and other shipping hazards.
• Professional Appearance: The clean, white exterior offers a sleek and professional look, making a great impression on your recipients.
• Easy Assembly: The Superflat design allows for quick and easy assembly, saving you time and effort during packing.
• Eco-Friendly: Constructed from recyclable materials, these mailers support sustainable packaging practices.

• E-commerce: Perfect for online sellers needing to ship flat items affordably and securely.
• Business Use: Ideal for sending important documents, contracts, brochures, and other business correspondence.
• Personal Use: Great for mailing photos, greeting cards, and other personal items safely.

• Size: 152 x 132 x 16 mm (Internal Dimension)
• Light Weight, High Quality White Cardboard
• Quantity: 100pcs Perfect Condition is Guaranteed!

A large letter is an article which exceeds at least one of the small letter dimensions and has the following characteristics:

• rectangular in shape
• no larger than 260mm x 360mm
• no thicker than 20mm
• does not weigh more than 500g.