Material: Acrylic fabric. SIZE: Lid Cover (19.7″x20.5″ or 50x52cm) (Cover width 44cm/17.3inch and length 47cm/18.5inch can be used within) U-Shaped Mat (21.7″x23.6″ or 55x60cm)(The middle position of the u-shaped notch is 26cm/10.2inch) 3 pcs (Lid Cover + Toilet Seat Cover + U-Shaped Mat) PRODUCT  CHARACTERISTICS: Encrypted and thickened, button universal type (square, O-Shaped, U-Shaped, V-Shaped can be put on), hair high 2-2.5cm, environmental friendly, very soft and comfortable. Non-slip Backing: Our non-slip bath rug is more than safe and ideally suitable to grip various floors including wood floor and tile floor. Note: please make sure that the surface under the mat is smooth, clean, and dry to prevent slipping. Easy to Clean: Machine washable or water washable, use a laundry net when washing in the machine. Customer Service: Please feel free to contact us if you have any questions. Note: If a cover is attached to a toilet with automatic opening and closing, the opening and closing sensor will be covered by the cover, and automatic opening and closing may not be possible. In addition, please note that depending on the model, the automatic opening and closing may not be possible due to the weight of the cover.