Pack of (12) Clear Glass Shaker Jars-- Shake Up Your Life! Clearly made for spices, but feel free to improvise. These clear glass jars are 4" tall x 1-5/8" square with a 1-1/4" ID mouth and a non-gasketed steel screw cap with a snap-on plastic 5-hole shaker under it. Holds approx (3) fluid ounces or a big handful of oregano.