About this item FLEXIBILITY AND CONVENIENCEOur small bookshelf is equipped with four wheels and four adjustable feet, so you can easily move it wherever you want it to be placed, and it can be adjusted flat no matter what kind of ground you want it to be placed on. STURDY ADN ERGONOMIC CONSTRUCTION29mm thickness board and inside hollow constructed workmanship,sturdy construction,fit your space,fit standard books,for book storage. MULTIFUNCTIONThis freestanding bookshelf can be placed in bedroom,living room,wall corner,kitchen,balcony,entryway,office,etc.No matter where you put it,it will become an eye-catcher ASSEMBLE REQUIREDOur mobile bookshelf with wheels is easy to assemble;Approximately 20 minutes by one person; Amateur or not,this cube requires no building skills,just follow instruction manual;Screwdriver and Hammer (not included ) are required for assembly. ECO-FRIENDLY MATERIAL (P2)The mobile bookshelf is made of premium and high hardness(2H) and fire-retardant melamine board.