Is there a more perfect combination? Mason Jars and Wax Melts? It's like peanut butter and jelly they just go together. I start with an 8 oz glass Mason Jar and then fill it with your choice of scented wax melt. Each jar holds approximately 2.5 oz of wax melts and comes in a set of two. I have chosen a rustic lid design to finish the farmhouse feel to these jars. These jars are perfect when you finish the melts inside to hold all sorts of items. They are adorable and can be re-used which I love so much.