Step one: You’ll need two large paint chips (Behr ones work well). Measure 1 1/4″ from all sides and mark both chips.
Step two: For bottom, cut 1 1/4″ along the white paint line on two sides. Fold four sides down. For box lid, trim 1/2″ off all sides, then cut and fold as per bottom.
Step three: Tape folded edges on inside of box top and bottom. Assemble. Finish with a ribbon.