Product Material: Made of thick paper, waterproof, not easy to tear, easy to erase. The design is beautiful, with bright colors and bright patterns. It does not fade easily and can withstand daily use Fun: Grab kids' attention with fun illustrations and engaging layouts that make learning fun. Improve your child's ability to remember important concepts such as numbers, letters, etc Decorations: Vivid patterns and interesting designs that can be used to decorate home schooling, kindergartens, teachers, daycare centers or children's rooms Usage Scenario: Posters are not only suitable for educational settings, but also for a variety of occasions, including birthdays, Children's Day, back to school, or any special day to promote children's learning Set Contents: Contains 18 sheets of 17x11 inch posters on a variety of topics, covering a range of essential topics from language arts to math and emotion, with enough content to be readable