When you have documents, photographs or artwork to ship, you need to ensure that it reaches its destination without bending, folding or tearing. Our board back envelopes help to assure the save arrival of all types of paperwork and delicate, flat objects. This C3 size measures 324 millimeters by 458 millimeters (12-3/4 inches by 18 inches in size), making them our largest cardboard mailers. This type of board back envelope is ideal for sending A3 documents that are completely flat or A3 documents that have been folded in half. Constructed out of durable cardboard, the C3 board back envelopes are 55mu thick, so they are heavy duty and resistant to tearing. Because they are completely opaque, there is no need to worry about anyone seeing the details of the items inside. To simplify shipping and make costs less expensive, the envelopes are designed for labelling with a marker or ink pen. The cardboard mailers require no assembly and have peel-and-stick adhesive glue strips. Exact Dimensions: 324mm x 458mm, Weight: 108g per envelope approx +/-, Window: No, Glue Type: Peel and Seal, Material: 115gsm cardboard, Box Quantity: 100
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