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108pcs Shipping Friendly Thin Box Jewelry E-Commerce Canada Post Slot Lettermail Boxes 3 1/2" x 3 1/2" x 5/8" H Kraft Best for Online Business : Amazon.ca: Office Products
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How do you assemble CP shipping boxes? I feel like an idiot, but I can't figure out what to do with the two flaps at the back and I can't find boxes
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