●Professional bar-grade cocktail jigger, sculpted from extremely durable borosilicate glass for a lifetime of use. An essential bar tool for any kitchen or cocktail creation space. ●Our jigger has easy-to-read 1oz, 1½oz, and 2oz measurements clearly visible on the exterior of the glass. ●This jigger also includes clear 15ml, 30ml, 45ml, and 60ml markers for even more options of measuring. ●Its double-sided design makes this piece even more unique. For a quick and small ½oz measurement, just flip the jigger over and fill. Handwashing Recommended.