BIG
I've never bought magnesium flakes before but these don't mix well in with sea salt for a bath salts mix unless I use the big salt crystals that are meant for salt grinders...then it takes pretty hot water and or time to get them dissolved.  But they DO eventually dissolve and are SOOO good for you!  Nice big container that should last a while and is plastic and seals well, so I can keep it in the bathroom cupboard!<br /><br />But they are clean and pure looking and I'm still happy with them!
Rating: 4 stars