Reusable glass straws that are durable enough to take with you anywhere. Environmentally sustainable and compact, this set of straws fights one-use plastic waste culture one sip at a time, anytime. Made with Borosilicate glass which is resistant to thermal shock, more so than any other common glass. It also comes in Cool colors. Includes: 4 straws, 1 drawstring bag, 1 case, and a brush cleaner. Broscillate glass. Length: 7" (17.8cm) ; Diameter: 0.25" (0.6cm).