The US Citizenship Flash Cards 2025 by BOXOB are a comprehensive study guide for naturalization in English and Spanish. These flashcards cover a wide range of subjects including American Studies, English Studies, and History. With a compact size of 3.54"L x 2.17"W and weighing only 5.6 ounces, these flashcards are perfect for on-the-go studying. The Spanish language option makes them accessible to a wider audience, making them a valuable resource for anyone looking to prepare for their US citizenship test.