supplyhut supplyhut 7x9 White Rigid Stay Flat

White rigid cardboard envelope mailers measure 7 inches wide by 9 inches tall interior dimensions. Each mailer is constructed from 250 GSM white cardboard stock with a rigid stay-flat design that resists bending during transit. Self-sealing adhesive strip closure applies by pressing the flap down to create a secure seal without water or additional tape. The rigid board construction maintains a flat profile to prevent folding and creasing of contents during shipping and handling. Exterior dimensions measure 7.25 inches wide by 9.25 inches tall. White exterior surface accepts handwriting, stamps, and printed labels. Each mailer weighs approximately 0.75 ounces. Pack contains 200 individual mailers manufactured in the United States from 250 GSM cardboard material.

• White rigid cardboard envelope mailers constructed from 250 GSM cardboard stock measuring 7 inches wide by 9 inches tall interior dimensions. Rigid stay-flat design resists bending to maintain a flat profile during transit and handling. Self-sealing adhesive strip creates a secure closure by pressing the flap without requiring water or tape
• Each mailer is manufactured from 250 GSM white cardboard stock. The rigid board construction prevents folding and creasing during shipping. White exterior surface accepts handwriting, ink stamps, and adhesive shipping labels
• Interior usable space measures 7 inches wide by 9 inches tall. Exterior dimensions measure 7.25 inches wide by 9.25 inches tall. Each mailer weighs approximately 0.75 ounces
• Self-sealing adhesive strip along the flap edge closes by pressing the flap down against the envelope body. The adhesive creates a secure seal without requiring moisture activation or supplemental tape
• Pack contains 200 individual rigid cardboard mailers. Each mailer ships flat and ready to use. Total pack weight approximately 9.4 pounds