Concrete + glass tumbler from 25togo. On sale at Charles & Marie.

CITY RAIN concrete glass is made of high water-absorption concrete with idea of wet street and glass window, the ingenious combination of two kinds of hard materials – glass and concrete with low contrast gray and simple lines presents a unique taste for the glass.

The process of making concrete product is a work needed a lot of patience and carefulness. It consumes time and energy to take care of products even when the products have already finished. From the beginning of making molds and accurately calculating the percentage of admixture, to the end of keeping the cement wet, the procedure is longer than a week and not to mention that all the processes are made by hand.

Hat tip @k.