Sturdy Boardwalk cold cup lids lock tightly around the cup rim to prevent unwanted spills on the go. Designed to fit Boardwalk Deerfield printed paper cold cups (sold separately). One lid fits a variety of cup sizes, from 12 to 20 ounces, helping conserve storage space and allowing for easy stocking. Includes a slot for a drinking straw. - Locks tight on cup to prevent spills. - Designed to fit Boardwalk Deerfield cold cups. - Fits 12 to 20 oz size cups.