2 Pieces 2-tier Bookcase Set with Anti-toppling Device2 piece bookcase set: can be used separately as side tables or nightstands 3. 2" raised skirting keeps shelves free from moisture Safety anti tip device to protect you and your family from accidental injury Thicker board to enhance the stability and load bearing capacity of the shelves Anti slip pads can effectively prevent the floor from being scratched by the furniture Smooth and dense surface with good water resistance easy to clean and maintain