The package includes: You will receive 15 pieces Clear Plastic inch and centimeter rulers of 6 inch and 15 cm. The ruler is 6.2 inch long and 1.15 inch wide.Material: These plastic rulers are made of premium plastic, very durable and sturdy. They will be a good helper in your life because they are not easy to break.Application: The default ruler is used by artists, engineers, students, designers, architects, and teachers. It is a must-have tool in school, office and family.Accurate scale design: This ruler is designed with precise scales, inch scale on one side and metric on the other side to help measure objects more conveniently.Great gift: We have provided many colors. They are useful and handy in daily life, very suitable to be the gift for students and teachers.Note: The data are all measured manually. Please allow an error of 1-3cm. Due to the difference between light and display, there is a certain color difference, which depends on the actual object received.