STUDY AND ANTISLIP : The foldable sofa breakfast tray is made of MDF while the legs are made of steel with powder coated finished,more strong and sturdy,curved ergonomic tabletop designed for sitting .This table will last fgor a lifetime and will remain corrosion .The steel feet are covered with black sponge for good anti slip effect.Extra size: The size of this laptop desk is 23.6*16.7*0.4 when its folding ,such a large size is suitable for 18"Laptop or smaller ,also with space for a mouse .Built in ipad stand groove for holding ipad or kindle.LIGHT WEIGHT AND PORTABLE: This Laptop stand is light enough (only 5.4ib/2.45kg)and our clever folding design allows the legs to fold flat so you can easily carry it arround and use it to eork from abywhere .No need to install,open it and use it after you got this product.