4x Black Polyethylene. Length: 40. Can easily be cut using knife, scissors or paper cutter.
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Instapak Quick RT #10 Cushioning Foam Packing and
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1/2 Thickness 4 Width Foam Wrap for sale
2-Pack Packing Foam Sheets - 12x12x2 Customizable
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Instapak Quick RT #10 Cushioning Foam Packing and
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Foam Sheets in Packing Materials