Extra large bathtub mats: No chemical smell, vinyl quality material. Heavy duty and standard dimensions and rectangle's shape makes it lays flat in any smooth bathtub floors. Non-slip shower mats with hundreds of suction cups:The anti-slip bath mats features 200 suction cups that help hold in place on smooth surfaces. Powerful suction cups offer 360 degree safety protection for users. The bathtub mat is a great choice forthe home, gym, spa and more! Multifunctional and utility: looks like pebble design, provide massage experience in shower time as it comes with 200 suction cups, featuring necessary anti-slip function, meanwhile the extra large mat is 40 inch x 16 inch which provides excellent coverageand also features small holes throughout to allow water to circulate. Machine washable and durable: The bath mat consists of 176 drain holes, machine washable to facilitate hassle-free maintenance. To clean at any time, simply toss the mat into the machine and enjoy its fresh appearance. Air dry for years of safe, healthy,hassle-free to use. Warning: The bathtub mat only attach to smooth and clean surface. Don't for use on textured, tiled, or non-smooth surfaces. Do not use bath oils in case of slipping.It's recommend to allow the mat to air out in a well ventilated area for 24 hours beforeuse if you encounter a strong odor when the package is first opened. Powerful Suction Cups The bath and shower mats feature 200 suction cups that work on any smooth and clean tub or shower floor! Unfortunately, textured and tiled surfaces do not allow for the suction cup to properly adhere to the surface. Pebble Design Pebble design provide massage experience in shower time as it comes with 200 suction cups, meanwhile featuring necessary anti-slip function.The bathtub mat is a great choice for the home, gym, spa and more! Drain Holes The 176 drain holes in the mat is a must, as they allow water to pass through. Without them, water can pool on the mat making it slippery. And also this design gives you greater flexibility for drains that are in atypical locations. Machine Washable and Durable Machine washable to facilitate hassle-free maintenance. To wash at any time, simply toss the mat into the machine and enjoy its fresh appearance. Air Dry for years of safe, healthy, hassle-free use. Multifunctional and Utility Pebble design provide massage experience in shower time as it comes with 200 suction cups, meanwhile featuring necessary anti-slip function. The bathtub mat is a great choice for the home, gym, spa and more! Comfortable and Safe The Anti-slip bath and bath mats features 200 suction cups that help hold in place on smooth surfaces. Powerful suction cups offer 360 degree safety protection for users. The extra large mat is 40 inch x 16 inch which provides excellent coverage and alsofeatures small holes throughout to allow water to circulate.