Reddit reviews Bloody Bath Mat – Invisible Color Changing Sheet Turns Red When Wet – Hides on Bathroom Floors – Bloody Footprints That Disappear in Minutes – Red/White – Large Size 25x39in (65x100cm)

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.NEARLY INVISIBLE THICKNESS, HIDE ANYWHERE – Give your boyfriend or girlfriend the shock of their life as they leave a trail of blood stains out of the shower. A incredibly unique prank that you can hide nearly anywhere.PERFECT FOR HORROR FANS – No other horrible gag gift for your boyfriend comes close to the shock he'll have seeing his toilet water splashes and footprint stains turn red.BLOODY VALENTINES DAY GIFT – Also works as a great horror gift for her, fun present for birthday parties, housewarming gift for your in-laws, baby shower for your ex.