NINJA-THIN PRANK DECORATION, HIDE ME ANYWHERE– Not your typical mat, these thin color changing prank sheets are less than 1mm thick (0.03in) your boyfriend or girlfriend the shock of their life with this unique bathroom prank as they leave a trail of blood stains out of the shower.

WATER TURNS BLOOD RED!– Try the world’s first bloody bath mat sheet prank, a thin plastic mat that reacts with water to color change your wet footprints into blood red stains.

AWESOME HALLOWEEN DECORATION- 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. 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, lots of halloween decor ideas, or white elephant gift idea you've been looking for.

DRIES BACK WHITE AFTER EACH USE– getting less than two? Don't fret. Hang to dry and watch the blood red colored stains disappear and fade back to white. Scare again and again! Get more than one and lay these nearly invisible sheets side-by-side to make an even larger surprise blood bath!