Non-slip shower mats with hundreds of suction cups: anti-slip square bath mats features 169 strong suction cups that help hold in place on smooth surfaces. Powerful suction cups offer 360 degree safety protection for users. Heavier and thicker than other mats. shower mat is a great choice for the home, gym, spa and more! Large square bath mats: No chemical smell, vinyl quality material. Heavy duty and square shape fits standard shower stalls. Generously sized shower mat 21 W x 21 L. Multifunctional and utility: looks like pebble design, provide massage experience in shower time as it comes with 164 suction cups, featuring necessary anti-slip function, meanwhile shower mat is 21 inch x 21 inch which provides excellent coverage and also features small holes throughout to allow water to circulate. Machine washable and durable: bath mat consists of 149 drain holes, machine washable to facilitate hassle-free maintenance. To clean at any time, simply toss the mat into the machine and enjoy