[Learning Cards] These are double-sided printed cards. The front of the card is a HD picture and the word, the back of the card is a QR code and a sentence containing the word. You can get the pronunciation of the sentence by scanning the QR code. [Comfortable Handheld Size] The size of each card is 4.3 X 3.14 inch, 11 X 8 cm. This is a suitable hand-held size for toddlers and children. The small size is easy to carry and store. This is a tool that children can learn and play anytime and anywhere, whether indoors, outdoors, or in the classroom. [Waterproof Material] 374g whiteboard paper, double-sided film, waterproof, anti-folding and fillet processing without scratch, reused. [Features] HD real shots pictures truly and clearly express the meaning of words, make children interested in English cards, help children memorize words quickly, accumulate more vocabulary, and master English skills. Cards are multi-purpose, learning toys, classroom organization and decoration, teaching activities, gifts, games. Suitable for toddlers, children, preschoolers, and homeschoolers. Cards are the best tool for enlightening English learning, good helper for teachers and parents. [Easy to Organize] The packaging of cards come with a metal ring, which can easily store and organize the cards. Main Information:1. Theme of Cards: Verbs.2. Handheld size 4.3 X 3.14 inch, 11 X 8 cm.3. 360g whiteboard paper, double sided film, waterproof.4. HD pictures and example sentences deepen the memory of words. This is a tool for enlightening English learning.Note:1. Due to the light and screen setting difference, the item's color may be slightly different from the pictures.2. Please allow a slight dimension difference due to different manual measurements.3. The opening and closing of the metal ring is laborious, children are forbidden to operate, please operate by adults.