GUSTO Disposable Plastic Dome lids [100 Count] measure 90 mm/3.5 inches and fit all standard 10, 12, 16 and 20 oz. sized Paper Hot Coffee Cups and are made of sturdy, BPA Free, Black Plastic material. | The Coffee Cup Lids are crafted and designed for your convenience, making it possible to take your favorite hot or cold beverage with you wherever you go and keeping yourself as well as your drink safe. The hot cup lid is for coffee, tea, cocoa, apple cider or other favorite sippable. | The lids are perfect for traveling, on the go, cafes, coffee shops, food trucks, concession stands, car rides, walking, to go orders, takeout, restaurants, kiosks, convenience stores and just to have a stock handy at home or in the office. | The lids are designed with a dome feature that gives extra room between the liquid and rim to allow for topping and movement, as well as an air vent to keep your drink at the perfect temperature. Lid is designed to be drinkable without a straw so the one drinking is able to sip immediately while keeping the cover on and resealable by use of a plug. | Convenient Snap-on feature. The lid stays tightly on the cup, secure and snug since it’s sturdy and leakproof, its material makes it durable and is manufactured to remain closed. These Dome lids keep the heat in your cup, trapping the heat from escaping and liquid from burning the drinker, protecting you and any equipment being worked with meanwhile. The quality lids will avoid any mess or damage from occurring.