Small, round cans in aluminum with a magnet that adheres perfectly to all magnetic surfaces such as e.g. electrical cabinets, window sills or other. The jars are well sealed and watertight. 
 
Size: Approx. 35x18 mm, holds 10 ml
Color: Silver
 
The magnet inside is a strong neodymium magnet that lasts a long time and attaches the can very well to magnetic surfaces.