Rectangular glass essence bottles from the EAGLE range with wavy ribbed side edges and screw-thread necks, made in a taller and a shorter size. Both bottles have flat front and back faces, rounded shoulders and a wide threaded neck, with a wave pattern running down each side. They are in transparent, colourless glass with flat bases. Essence bottles of this kind are used to pack food essences, flavours, fragrances and similar liquids.