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Amazon.co.jp: Cardboard One Cardboard Box A4 Size Delivery 80 Size [12.2 x 8.7 x 9.1 inches (310 x 220 x 230 mm) ] (Pack of 20) : Office Products
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Amazon.co.jp: Cardboard One Cardboard Boxes, 100 Sizes, For Moving and Shipping, Set of 10 : Office Products
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