YNK Packaging Provides you crush resistant mailer that come in many sizes to accommodate a variety of Products Strength: Made from high GSM Paper, these Corrugated Boxes have a high strength rate and can be used for heavy packaging too Reuse and Recycle:These boxes from can be used many number of times with minimal loss of quality ,these corrugated boxes help to the reduce the cost. Packaging: These Corrugated boxes are ideal for E commerce packaging and can be easily handled. Shipping Format: These products are shipped in bundled format.