①. Memory foam bathroom sets are made of 3 layers: a fabric layer, a middle sponge layer and a bottom protective layer. It is soft and durable for long - term use. Two floor mats protect you from the cold bathroom floor and make you feel soft when you enter or exit the bathroom. ②. The anti - slip floor is made of PVC material. This non - slip backing helps to hold the mat firmly, prevents it from slipping or sliding, and is safer and more snug. Note: Make sure you only place the mats on dry, smooth floors. ③. Memory foam mats absorb water quickly. The ultra - soft top layer of memory foam absorbs the extra water and moisture in your bathroom to keep your room floor clean and dry. ④. Memory foam rugs can absorb water quickly. Its ultra - soft top layer of memory foam gives it good water absorption, allowing it to absorb extra water and moisture in the bathroom.