2 Half gallon and 1 full gallon glass mason jar wide mouth with airtight gold metal lids- variety set of containers for fermenting, canning, and food prep and storage. It- Made in the USA with the simple stuff. Clear and strong glass- these jars are constructed from 100% manufactured high toleration glass. Designed with thick crack-resistance walls and crystal clear glass, our jars are meant to hold up against the toughest conditions while maintaining a graceful display for your contents.