Glass paragon jars are popular for their versatility. Featuring wide openings and slender bodies, these jars are easy to fill while optimizing shelf space. Paragon jars are often used for jams, sauces, herbs and spices. These jars include unlined spoon & sift spice caps - perfect for everyday herbs and spices. Spoon & Sift spice caps, also known as flapper caps, let you spoon our or sprinkle in just the right amount of flavor.