Clear Plastic Placemats

placemats
A placemat is a protective table pad usually made of paper, plastic or cloth for restaurants and households. Asian-style placemats may feature thin slats of bamboo or colourful beads. The term is derived from the mat being put at a person's "place" (chair) at a table.

plastic
generic name for certain synthetic or semisynthetic materials that can be molded or extruded into objects or films or filaments or used for making e.g. coatings and adhesives
A synthetic material made from a wide range of organic polymers such as polyethylene, PVC, nylon, etc., that can be molded into shape while soft and then set into a rigid or slightly elastic form
Credit cards or other types of plastic card that can be used as money
fictile: capable of being molded or modeled (especially of earth or clay or other soft material); "plastic substances such as wax or clay"
capable of being influenced or formed; "the plastic minds of children"; "a pliant nature"

clear
completely; "read the book clear to the end"; "slept clear through the night"; "there were open fields clear to the horizon"
readily apparent to the mind; "a clear and present danger"; "a clear explanation"; "a clear case of murder"; "a clear indication that she was angry"; "gave us a clear idea of human nature"
So as to be out of the way of or away from
With clarity; distinctly
the state of being free of suspicion; "investigation showed that he was in the clear"
So as not to be obstructed or cluttered