Raymay Fujii Word Card with Check Card Standard 29 pieces [Size] W90xH35xD22mm [Number of sheets per card] 111 sheets/piece [Quantity] 30 pieces (Blue 15 pieces, Red 8 pieces, Yellow 6 pieces) [Material] Cover: PP [Individual product number] WD11 [Plenty of memorization cards] This is a set of 29 word cards with a large capacity of 111 sheets each. Convenient for memorizing the meanings of English words, the readings of kanji, and reciting idioms and sentences. Available in 3 colors (Blue 15 pieces, Red 8 pieces, Yellow 6 pieces), allowing you to color-code by subject. Two check cards (red and green) are included. By covering the marked area with the green (red) check card, you can hide the marked part. Perfect not only for memorization using the front and back of the cards, but also for memorization using markers. Compact size makes it easy to study during commute time or short breaks. This is a convenient and economical set that can be used in schools and cram schools to distribute to students, or purchased in bulk to share with friends and siblings. Thank you.