The Kaplan GRE Flashcards + App Fourth Edition features 500 vocabulary words in a sealed box, designed for exam preparation. The flashcards are specifically focused on vocabulary words relevant to the GRE exam, making it an essential study tool for test-takers looking to improve their language skills. The flashcards are organized in a compact 4"x2"x4" format for easy storage and review, providing a convenient and efficient way to study on the go. The publication, authored by Kaplan Publishing, ensures quality and accuracy in the content presented to help students achieve success in their GRE exam.