Silicone Tile Gap Filler Is Basically Made Of Silicone Paste And Its Super Effective Than Any Other Epoxy Or Cement. It’S Mainly Manufactured For Filling Gaps Between Floor And Wall Tiles. It Is Also Widely Used As Tool To Repair Small Gaps / Cracks / Grouts In Kitchen Sink, Floor Tile, Bathroom Tiles, Bath Basin Etc. Worth The Price And Super Handy To Keep Few Of These Tubes In Your Home.