These new disposable paper wet surface signs are a must have item and should be on every truck to protect you from a liability in residential cleaning settings, and you and your customer in commercial environments. For about 12 cents each, they can do so much to protect your customers from slipping and falling and they help protect you from the liability associated with a slip and fall accident.
Plastic self-standing signs are great until you have to leave and take them with you. These disposable signs remain long after you have left, posting the warning of a potential slippery surface. Your customers will appreciate you for the extra professionalism, too!