This magnetic can holder cooler is made of neoprene and perfects to hold the full weight of your can or bottled beer. Its standard size for 11oz, with 4 pcs magnets, could hole the can on the iron surface. This can holder could be easy for your daily use, in house, office, car or outdoor, you could put your can on the refrigerator, handrail, car or any other iron facade with the inner magnets