W: Water-Based cleaning agents or foam may be used. Use distilled water as tap water contains minerals that may cause fading.

S: Only mild, water-free cleaning solvents should be used. Never use water.

W/S: Water-based cleaning agents, foam or mild water-free cleaning solvents may be used. Never use tap water. Use distilled waters as tap water contains minerals that may cause fading.

X: Clean only by vacuuming or light brushing to remove overall soil. Never use water, foam or liquid cleaning agents.