Size is approx; 19.5 by 9.0 by 1.1cmAdditional product info; Highlight the parts you want to remember with a green pen, then cover them with a red sheet. The marked parts will be hidden, allowing you to memorize them through repetition. The check pen features Rayquaza, and the check sheet is designed with Cheer Pikachu. The check eraser pen cannot be used to erase.Distribution period: Until Friday, February 7, 2025, 5:00 PMLong press or use the method specific to your device to save the image. Please check the terms of use before using.