- Function
- Splash-proof, good barrier properties, dirt-resistant, easy to clean, wear-resistant, scratch-resistant
- Design
- Precisely cut, self-adhesive for accurate fitting, bubble-free, corner design for easy operation, back paper with grid for easy positioning
- Certification
- Approved by the National Textbook Review Committee, National Educational Curriculum Standard Experimental Textbook
- Grade
- Third grade
- Transparency
- Matte texture for clear visibility of book cover, good adhesion, smooth and bubble-free
- Approval
- Initial approval by the National Textbook Review Committee in 2002, National Educational Curriculum Standard Experimental Textbook, Language, Third grade, Volume II, Curriculum Textbook Research Institute