Wholesale Custom Disposable50-Pack Large Corrugated Cardboard Sheets, 11x17-Inch Flat Packaging Inserts Pads for Mailers, Shipping, Packing, Mailing, Arts and C… in 2023

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Each padded cardstock stay flat mailer sheet measures 17 x 21 inches and features a peel-and-seal adhesive for convenient and efficient sealing, no need to wet using glue or water. The high-quality, thick paper board construction helps to ensure contents remain securely inside while in transit or storage.

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50-Pack Large Corrugated Cardboard Sheets, 11x17-Inch

Juvale 50-pack Corrugated Cardboard Sheets 9x12, Flat Inserts For

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50-Pack Large Corrugated Cardboard Sheets for Mailers