Using these Fox & Pine Stitches Notion Nooks is a breeze. Just open the magnet - locked lid and start filling the case with your stitch stoppers, tools, and trinkets. The transparent flaps let you quickly see what's inside without opening the lid, so you can find what you need fast. When you're on the go, simply slip the case into your project bag. To keep them in great shape, wipe them with a soft, dry cloth regularly. Avoid using harsh chemicals as they may damage the plastic. Also, don't overfill the cases to ensure the magnets can lock properly.