These spice jars are made with lead free glass and are BPA free. They feature an aluminum screw on lid and shaker inserts which can be easily removed as needed. 12 jars come with a set of chalkboard labels to identify the contents. Place them on the top of the lid to easily identify your spices from above or place them on the glass so you can easily identify your spice from the front.Details:Clear2.2" x 2.2" x 4" eachHolds up to 4 oz.12 jarsIncludes chalkboard labelsGlass