Free your hands from holding the book. Help reader overcome the reading problems such as neck pain, sore back, shortsighted, ect. Versatile-holds text books, computer manuals, cook books, etc. Adjustable to fit books of different size up to A4, and it can be adjusted to some positions. materials at several different angles, 60°, 50°, 42°, ect. Durable-absorbs impacts that crack more brittle plastics. Strong-supports the heaviest books and manuals Portable-closes to the size of a legal pad. Easy of Use-sets-up in just seconds.