IntroWizard Bloody Bath Mat Set, 2 Large... Price: $18.99 (as of 01/23/2022 13:18 PST- Details)

AMAZING BLOOD DRIPPING COLOR CHANGE EFFECT – Try the world’s first bloody bath mat sheet, a thin plastic roll that only reacts with water – color changing wet footprints into blood red stains.
DON’T BE FOOLED BY IMITATION BLOODY MATS WITH PAINTED FOOTPRINTS – Experience the ONLY color changing blood mat sheet by IntroWizard that really turns red when wet.