Estilo Non Slip Shower Mat, Slip Resistant Bathtub Mat, Uses 169 Secure Grip Suction Cups to Hold Securely to Your Shower Floor - Square (21 x 21 Inches) - Blue Vinyl Reliable slip resistance shower mat, with a cushioned, comfortable feel underfoot Made of high-quality, allergen-free vinyl. Machine washable Bacteria Resistant Slip Resistant Bathtub Mat, Uses "169 Secure Grip Suction Cups" to Hold Securely to Your Shower Floor Dimensions: 21" by 21". Blue