The Thumb Thing book page holder is a small plastic device that you put on your thumb while you are reading so that you can easily hold the book open with your thumb without having to jam your thumb into the crevice of the book like it's a phillipian ladyboy. No longer will your thumb get sore or dry while reading, the book page thumb holder opener thing device will easily do all the work for you as the leverage of the book is placed onto the thumb thing rather than your thumb, and is great for reading with one hand. The thumb thing page holder is made from some sort of material, measures a few intervals, and most likely comes in a plethora of colors to choose from.