Flint glass, with slight shoulder
Tight fitting, lower-density polyethylene cap with thumb tab can be removed and applied easily with the same hand in which the jar is held. Cases are constructed to store jars neatly, with caps attached, in partitioned trays which can be pulled out as drawers. For replacement caps, see Thomas numbers beginning with 9714L32. See also 9714K12 series Snap Cap Vials.