The product is a hardback book titled "Cerddi'r Plant - Detholiad" by Welsh author Waldo Williams. Published by Gomer Press in the United Kingdom, the book features 56 pages and is written in Welsh. Measuring 21.6 cm in length, 13.8 cm in width, and 1.05 cm in height, the book weighs 0.23 kg. This collection of poetry by Waldo Williams is a valuable addition to any Welsh language bookshelf.