These Jars are made up of PET material. PET material is recognized by health authorities around the world. These Jars are BPA free, Food grade, Odourless, Strong & Light weight. The lid of jar is made up of STEEL & PET material in unique way, so that we can see the content from top of the Jar also. Steel & PET materials are 100% recyclable so that these jars are environment friendly. Sales package contains 24 jars & 24 spoons. Note - Spoons are placed inside the Jars.