These angle measurement protractors can be applied for home and office using, school students and teachers. It is very convenient to use, and it is good for completing your work, and a great present idea for kids. Besides, it's also an essential tool for any toolbox. The black numbers are clear and easy to identify, then you can read quickly with great accuracy. Feature - ColorWhite - Material: Stainless Steel. - Size: Approx. 15 x 9 x 1.5 - Made of stainless steel, very light and easy to carry. - Smooth surface, convenient to use, easy to read. - The stainless steel protractors are shape protractor, it's universal, you can applied to settle the math problems frequently. - Suitable for painting, measure, homework, and technical drawing. Kids less than 3 years old should use this product under parent's supervision. - A perfect present to your friends and classmates. - Warm Tip: Dear buyer, due to lighting effect, monitor's brightness, manual measurement and etc., there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you! Package list: 2 x Protractors