Black Clean Dirty Dishwasher Magnet Sign with White Type Changes from CLEAN to DIRTY with a flick of the SWITCH on the front of the sign TWO sticky magnet strips included in the package. Attach a magnet to the back. Use the second magnet on any surface to attach and remove easily for wiping around the area. Super STURDY and WATER-PROOF. Easy to clean. Best dollar spent to aggravation solved ratio. The SIMPLEST DESIGN fits the decor of every kitchen, laundry room, dorm room or any shared area. Discreet and highly VISIBLE from a small size with high contrast words. Intuitive use. Helps to communicate with busy family members on the go.