How to let customers change their own shoe covers? Polite language

Now everyone has a strong sense of environmental protection. Under normal circumstances, customers of some large companies will consciously bring a pair of spare shoe covers or cloth shoe covers or non-slip shoe covers when they enter the buyer to sell products or repair things, and put on shoe covers before entering the door.

If it is a company, you can put a note at the door of the company, which says, "Please put on your shoes before you enter. Thank you for your cooperation. " You can put two baskets beside it. One is to put clean cloth shoe covers. (If you want a shoe cover, you can search for cloth shoes cover, shoe cover or non-slip shoe cover, or shoe cover business, and huianhdy can come out. One is to put a dirty shoe cover so that customers can see this when they enter the door.

If you really haven't noticed, you can say kindly, please put on your shoe cover.