VERSATILE ADJUSTABLE SWIVEL BEDSIDE TABLE - (ADJUSTS FROM 18.5 TO 30" TO FIT ANY SIZE MATTRESS!) Adjusts from 18 1/2" to 30" to fit any size mattress Adjusts up to 90 degrees in both directions and perfect to use on either side of the bed Handy ledge on both sides keeps tablets, e-readers and books in place even in the angled position Ideal for books, meals, snacks, lamps, laptops, phones and more! Metal frame easily slide under mattress and stays in place.