Supports under a beer mug or a glass

The support under a beer mug or a beer glass intended for prevention of hit of beer and the moisture which is condensed on external walls on a table surface. It is made of the special moisture absorbing cardboard. Thickness of a hygroscopic cardboard fluctuates from 0,9 to 2,5 mm, weight from 5 g to the 10th Mr. Birdekel is a disposable product. A form, as a rule, round (diameter of 107 mm) or square with the rounded-off corners. On birdekel usually put advertizing of brands of beer, pubs, sporting or special events.