【What you get】You will get 12 waterproof square mats, Each size 11.75'' x 11.75'' x 0.35'' (30cm x 30cm x 0.9cm) 【Slip resistant】The non-slip tile with round raised particle and large drainage holes which allows fast water drainage. 【Easy Installation & Clean】: Choose same or two colors simply snap tiles together and create custom configuration on site. Just use a brush to brush, hose the mat with water to clean, which allows for effortless debris removal. 【Massage】: There is a round raised massage particle on the shower mat. Experience a comfortable massage, relieve fatigue and enjoy bath time. 【Safe & Multifunctional】The floor tiles material is environmental protection and odorless, it can be used on concrete, wood, tile, and even use in a bathtub. They are weatherproof and UV resistant.