This is a highly functional product specifically developed for school-age children to assist with proper sitting posture. The 12-degree inclined surface encourages children to consciously sit up straight and maintain an appropriate distance from their books, helping them to sit properly and lift their heads.The 12-degree inclined surface encourages children to consciously sit up straight, maintain a proper visual distance from their books, and helps them raise their heads. The adjustable front and rear depth of the reading bookshelf accommodates the arm length of most users.