C5 Large Letter Boxes The Ultimate Guide to Cost-Effective Mailing
When it comes to efficient mailing solutions, C5 large letter boxes have become a popular choice for businesses and individuals alike. These boxes offer the perfect balance between size, protection, and cost-effectiveness, making them ideal for sending documents, small products, and promotional materials. In this article, we will explore everything you need to know about C5 large letter boxes, including their features, benefits, and best practices for usage. What is a C5 Large Letter Box? A c5 large letter box is a packaging solution designed to fit items that do not exceed the Royal Mail's large letter size limits. Typically, a C5 box measures approximately 162mm x 229mm , making it ideal for mailing A5-sized documents, brochures, greeting cards, and other flat items. Key Specifications: Dimensions: 162mm x 229mm (approx.) Thickness: Up to 25mm (to qualify as a large letter with Royal Mail) Material: Commonly made from high-quality corrugated cardboard or rigid board for durab...