[ Learning Fun ] 0.6 inch Dashing is very suitable for beginners and young children to practice writing. Use stamps to stimulate their learning fun and find fun in learning. This tool allows students to practice writing and mark images on any type of paper without the need to manually draw hand written lines. [ Convenient and time-saving ] This handwriting practice tool measures 2.26X 1.37 inches, making it easy to carry and suitable for your daily use. Line stamps are perfect for adding extra lines, writing, and editing anytime and anywhere. Handwritten stamps are the perfect gift for teachers, parents, and students. [ Quick drying ink ] The sealing of the writing roller is made of high-quality waterproof and oil resistant ink, which not only dries quickly but also does not fade . Note: This safe cylindrical seal is suitable for most ordinary paper, envelopes, and packaging, and is not suitable for smooth surfaces. Because its oily ink is easy to wipe off! [ Widely used ] This handwritten line stamp drum is suitable for your daily use and can be used on worksheets without name lines to help adjust letter size. Clear lines can turn any ordinary piece of paper into a writing diary. Quickly and add rows in any blank space. It brings you a lot of convenience. [Including free reprinting] Handwriting practice drum stamps are reprinted with 3 stamps. Oil holes have been added on the side of the drum stamp, allowing for refueling and reuse without the need to replace the drum. The total length covered by the stamp can reach 100 meters, without the need for refilling. Color: Blue Material: plastic Package Contents: 2 x handwriting lines stamp roller 3 x refills Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed r is +/- 1-3cm.