100% NATURAL ECO-FRIENDLY BAMBOO - Enjoy The Spa Like ExperienceNATURALLY ANTI-MILDEW - Bamboo Is One Of The Few Natural Materials With Anti-Mold Or Mildew PropertiesAIRFLOW DESIGN - Allows Water to Drain And Air To Circulate. 27.6" x 19.6"SLIP RESISTANT PADS - Incorporates Slip Resistant Pads Underneath The Mat To Minimize ShiftingSTORAGE - Rollup Design Allows You To Store The Mat Away Easily And Efficiently If Needed