conservation of quality of alginate (air and light are being locked out
the lid of the container can be easily opened or closed in one movement (in stead of a 4-points closing box)
the scoop - which is supplied in addition - has an extended grip; your hands will be free from alginate and the alginate can be ladled from the bottom of the container.
with the wiping edge at the inside of the container you get a level spoonful
you can click the spoon in the lid of the container
both the scoop and the beaker - which are supplied in addition - are of (almost) unbreakable quality