Photo 1 of 50 Packs 16 x 20" Corrugated Cardboard Sheets 1/8" Thick Flat Cardboard Filler Insert Sheet Kraft Brown Paper Card Board Sheets Pads for Packing, Mailing, Crafts (Squared Size)

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Photo 1 of 50 Packs 16 x 20" Corrugated Cardboard Sheets 1/8" Thick Flat Cardboard Filler Insert Sheet Kraft Brown Paper Card Board Sheets Pads for Packing, Mailing, Crafts (Squared Size) Photo 2 of 50 Packs 16 x 20" Corrugated Cardboard Sheets 1/8" Thick Flat Cardboard Filler Insert Sheet Kraft Brown Paper Card Board Sheets Pads for Packing, Mailing, Crafts (Squared Size)