Size & MaterialTwo Sizes: 24 x 16 inch and 30 x 20 inch.Material: flannelette fabric surface, backed with anti-skid Polyester Rubber with PVC dots. Easy CareMachine wash, low temperature drying.Use mild detergent; do not use bleach or put them through for dry clean as it might wear out the mats.MultipurposeMade a perfect shower rug, kitchen sink rug, door mat, laundry room rug and etc.