[No peculiar smell]: Made of high quality soft TPR natural rubber - the fourth generation rubber. 100% non-toxic, odorless and BPA-free [TPR: more stable than ordinary rubber at room temperature] [Foot massage design]: The bath pillow has a soft and comfortable massage cushion that corresponds to the acupuncture points of the foot, which Promotes blood circulation, increases friction, cleans the soles of the feet and removes dead skin. [Powerful suction cup]: Non-slip suction cup - the large handle on the bottom of the mat, stick the mat to any clean and smooth floor - very firm - to provide enough security for the non-slip mat. [Antibacterial and machine washable]: The non-slip shower mat function can protect the surface from the growth of mold and other bacteria. Our massage pads are machine washable and easy to care for.