Are you looking for a practical Circle Protractor for your kids to learn math or for your family or friend whose works are concerning with drafting and measuring? Great for use in schools, offices, , or at your home. It is made to last, can serve you for a long term. Suitable for both kids and adults to use. Features -Color:Transparent -Material:Plastic -Size:11.50X11.50X0.10cm/4.52X4.52X0.04in - This Circle Protractor is made of plastic material, not easy to crack or break, support long term use. - Small in size and light in weight, easy to carry it in your bag to use it anytime and anywhere. - Designed with accurate and clear scale, provide you high precision, can draw or paint effortlessly. - You can give it as a present for your kids to learn math, an easy and convenient way to save their time. - Smooth in surface without any burr, safe and comfortable to use, will not hurt your skin. Package list: 6 x Circle Protractors