Disposable Plastic Shot Glasses

shot glasses
(shot glass) a small glass adequate to hold a single swallow of whiskey
A small glass used for serving liquor
(Shot glass) Used for serving shots and layered cocktails. Cocktails in shot glasses are meant to be drunk quickly, in one gulp. The ideal option for busy and lively parties. Standard volume 40 to 60 ml.

disposable
free or available for use or disposition; "every disposable piece of equipment was sent to the fire"; "disposable assets"
A disposable (also called disposable product) is a product designed for cheapness and short-term convenience rather than medium to long-term durability, with most products only intended for single use. The term is also sometimes used for products that may last several months (ex.
An article designed to be thrown away after use
an item that can be disposed of after it has been used

plastic
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
fictile: capable of being molded or modeled (especially of earth or clay or other soft material); "plastic substances such as wax or clay"
Credit cards or other types of plastic card that can be used as money
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
capable of being influenced or formed; "the plastic minds of children"; "a pliant nature"