The Gelli Arts 8x10 Gel Printing Plate Class Pack includes 11 quantities of monoprinting plates made in the USA by Overture. These gray PLA plates have a filament diameter of 1.75mm and are compatible with universal 3D printer models. Each pack contains a unit quantity of 1, perfect for creating unique and detailed prints with your 3D printer. Made from high-quality materials and designed for optimal performance, this product is a must-have for anyone looking to expand their 3D printing capabilities.