Product DescriptionHIGH QUALITY PACKAGING FOR HIGH QUALITY SERVICE NON-SLIP RUBBER BACKING MADE FROM STRONG BUT LIGHT-WEIGHT MATERIAL (MDF) EASY TO CLEAN SURFACE FINISHED WITH ROUNDED CORNERS (HUMIDITY RESISTANT) HARD !#!amp!*! STRONG PLASTIC ADJUSTERS NO ASSEMBLY REQUIRED HAND MADE Size: 300mm x 240mm x 48mm (Thickness)Weight: 770gTilt adjustment: 15steps (15 ~ 70 degrees)Thickness: 12mm Book holder width: 35mmThickness of the book holder: 15mmBook Holder Folding Type: Folding Type