The product is a textbook titled “DBT Skills Training Handouts and Worksheets” by Marsha M. Linehan. It is a second edition spiral bound book published in the United States. The book provides handouts and worksheets for training in DBT skills, making it a valuable resource for individuals looking to learn and practice these techniques. Written in English, this textbook offers a comprehensive and practical approach to understanding and implementing DBT skills in a variety of settings.