Refill Notepad For Eureka! Shower Idea Board - Replacement 50 Sheets Waterproof Pad Waterproof Notepad And A Refill notepad for Eureka Shower Idea Board Can be used on it's own or as a replacement notepad - same as the original notepad 50 Waterproof sheets - Write on it whether it's wet or dry Just take out the old notepad and place the new one Remember - Your best idea is only a shower away