Em: You should be able to use it at work - it should last you 4-6 hrs even during a heavy flow. But what I do at work is just clean it in my urine stream and then wash thoroughly when I get home. I just liked the idea of not having to deal with tampons or pads in a public restroom.
and welcome to the club......gosh I wish I'da known before the end of my cycles!
Life should NOT be a journey to the grave with the intention of arriving safely in an attractive and well preserved body, but rather to skid in sideways, champagne in one hand, strawberries in the other, body thoroughly used up, totally worn out and screaming: "Yeah Baby! What a Ride!"