hand wash only. dry immediately. not dishwasher safe.
engraved side is for decoration only, while the other side is the functional side and can be used in your kitchen.
the laser uses heat to burn in the engraved portion. because every piece of wood, even those of the same kind, react differently to heat, there may be a variation in the coloring of the engraved areas.
bamboo engravings have ridges. this is totally normal and impossible to avoid.