Are magnetic kitchen labels dishwasher safe?

Generally, no, magnetic kitchen labels are not dishwasher safe, and you should not put them in the dishwasher. These labels, the small magnetic tags you write on and stick to the fridge, metal containers or spice tins to label contents, are not designed for a dishwasher’s heat, prolonged water and harsh detergent, which can weaken or damage the magnet, ruin a writable or printed surface (erasing or smearing what is written, or lifting a dry-erase or printed coating), and loosen the adhesive or backing holding the magnet to the label. They are meant to be wiped clean by hand, not machine washed. So clean magnetic kitchen labels with a damp cloth rather than in the dishwasher, which keeps the magnet, the writing surface and the label itself in good condition. Our Best Magnetic Kitchen Labels compares five of them.

Why they are not dishwasher safe

Magnetic kitchen labels are small tags with a magnetic backing and a surface you label (write on with a marker, a dry-erase or chalk surface, or a printed name), used to mark what is in containers, jars or on the fridge. They are not made to be submerged and blasted in a dishwasher, and several parts of them react badly to it. The dishwasher subjects items to high heat, prolonged soaking and strong detergent, conditions these simple labels are not built to survive, so machine washing risks damaging them.

The magnet, the writing surface and the construction are all vulnerable. Heat can weaken a magnet’s strength over time (and some magnetic sheet material degrades), the hot water and detergent can erase or smear writing and attack a dry-erase or printed coating, and the heat and soaking can loosen the glue or backing that bonds the magnetic layer to the label, causing it to peel or warp. So because a dishwasher threatens the magnet, the surface and the bond all at once, magnetic kitchen labels are generally not dishwasher safe, and they simply do not need that kind of cleaning anyway.

How to clean them instead

Magnetic kitchen labels are meant to be cleaned by hand, which is easy since they do not get very dirty. To clean one, wipe it with a damp cloth (with a little mild soap if needed) to remove dust, grease or marks, then dry it, which is all these labels normally require. For a dry-erase or chalk label, wipe or erase the old writing and re-label it; for a chalkboard surface use a damp cloth or the appropriate eraser. This gentle wiping cleans the label without exposing the magnet or surface to the damage a dishwasher would cause.

Avoid soaking magnetic labels or scrubbing them with abrasives, which can damage the surface or loosen the backing, and keep them from sitting in water. If a label has a writable coating, be gentle so you do not wear it away. Since the labels just sit on containers or the fridge and only pick up a little dust or kitchen grease, a quick wipe keeps them clean and legible. So the practical cleaning method is simply a damp cloth by hand, not the dishwasher, which keeps the magnet strong, the surface usable and the label intact for relabeling again and again.

Check the type and any guidance

It is worth noting the label type and any manufacturer guidance, since magnetic kitchen labels vary. Most are simple magnetic sheet or a magnet with a writable or printed face, and these are not dishwasher safe. A few products might be made of more water-resistant materials, but even then the magnet and bond generally make the dishwasher a bad idea, so unless a maker specifically states a label is dishwasher safe, treat it as hand-wash only. When in doubt, keep it out of the dishwasher.

Also consider that the labels are usually stuck to containers that themselves may be washed, so when you wash the container, remove the magnetic label first (if it is a magnet on a tin, lift it off; if it is attached differently, detach it) rather than putting the whole thing with the label through the dishwasher. This protects the label while you clean the container normally. So the sensible approach is to assume magnetic kitchen labels are not dishwasher safe, remove them before washing their containers, and clean the labels themselves by hand with a damp cloth, which keeps everything in good order.

Keeping labels working well

To keep magnetic kitchen labels working, clean them gently by hand, keep them dry (prolonged moisture is bad for the magnet backing and any adhesive), and store or use them away from excessive heat, all of which a dishwasher is the opposite of. Keep the writing surface clean so it stays legible and, for dry-erase or chalk types, re-writable, and handle them without bending or peeling the magnetic layer. Treated this way, a magnetic label keeps its grip and its usable surface for a long time.

So the answer is that magnetic kitchen labels are generally not dishwasher safe, because the heat, water and detergent can weaken the magnet, ruin the writing surface and loosen the backing, and they are designed to be wiped clean by hand instead. Clean them with a damp cloth, remove them before washing their containers, keep them dry, and assume hand-wash only unless a maker says otherwise. Done this way, your magnetic labels stay strong, legible and reusable, doing their simple labeling job without the damage a dishwasher would cause.

The short answer

Generally, no, magnetic kitchen labels are not dishwasher safe. The dishwasher’s high heat, prolonged water and harsh detergent can weaken or damage the magnet, ruin a writable or printed surface by erasing, smearing or lifting the coating, and loosen the adhesive or backing that bonds the magnetic layer to the label, so machine washing risks wrecking all three parts at once. These labels, used to mark containers, jars or the fridge, are meant to be wiped clean by hand, which is easy since they only pick up a little dust or grease, so clean them with a damp cloth (and a little mild soap if needed), then dry them, and for dry-erase or chalk types wipe off and rewrite the label. Avoid soaking or scrubbing them, keep them dry and away from excess heat, and remove a magnetic label from its container before washing the container itself. Unless a maker specifically states otherwise, treat magnetic kitchen labels as hand-wash only, which keeps the magnet strong, the surface legible and the label reusable.