The product is a set of 4 Lego Cyber Keys from the Transformers Cyberton Toy Line. These vintage keys are part of the LEGO Transformers theme, specifically the Cyberton subtheme released in 2005 by Hasbro. Each key measures approximately 2 inches in length and 1 3/8 inches in height, and they come without the original box or manual. These collectible items are ideal for fans of Transformers and LEGO building toys, allowing for imaginative play and building opportunities.