High-grade borosilicate glass used gives impeccable clarity to the jars.Threaded lid gives a seamless locking experience.The food grade plastic inside the wooden finished lid avoids rusting. The combination of glass and wood finish gives the jar a premium look. Ideal for storing mukhwas, spices, cookies, dry fruits, snacks, tea, coffee. The larger capacities can be used for storing juices in the freezer.