Wooden Cap For Jar. This line of wooden caps and covers for jars is entirely realized following our customers’ specific requests. Your ideal cap, expressly tailor-made for you. Plain but elegant, it can be subject to many customizations. You can choose from a list of different kinds of woods: beechwood, durmast, padouk, rosewood, wengé or zebrano. Do you also wish to put a logo or sign on top? You can choose among the following techniques: hot stamp, cold engraving, laser, pyrography.