the great thing is on the corner of the tray there is a tray that has a little hole on it making it easy to remove the glitter without a huge mess. the proper use is illustrated below. after every patient the same procedure is followed for the chairs to prevent cross infection. these two options work best if you are only signing in one person– yourself or your one child (need to create password for your child). i need that stamp set because i seem to be biting people's heads off with all the stress of the holidays lately. 