Our Glow In The Dark Indoor/Outdoor Stair Treads helps avoid dangerous and painful falls on stairs outdoor or indoor. Great indoors, outdoors, dark places, basements and more!

Non-slip tread is 15-3/4" long x 6-3/4" deep x 1/16" thick. 

Absorbs the sun by day and glows at night. Set of 4 with self-adhesive strips on the back.