[ Learning Fun ] 0.6 inch Dashing is ideal for beginners and young children to practice writing. Use stamps to encourage learning engagement and make writing enjoyable. This tool allows students to practice writing and create lines on various types of paper without manually drawing lines by hand. [ Convenient and Time-Saving ] This handwriting practice tool measures 2.26 x 1.37 inches, making it compact and easy to carry for daily use. Line stamps are perfect for adding lines, writing, or editing anytime and anywhere. Ideal for teachers, parents, and students. [ Quick Drying Ink ] The writing roller uses high-quality waterproof and oil-based ink that dries quickly and resists fading. Note: This cylindrical stamp works well on most standard paper, envelopes, and packaging, but is not recommended for smooth surfaces as the ink may smudge. [ Widely Used ] This handwriting line stamp roller is practical for everyday use and can be used on worksheets without ruled lines to help guide letter size. Clear, consistent lines can turn any blank paper into a writing notebook. Easily add lines to any blank space, offering great convenience. [ Includes Refillable Design ] This handwriting practice stamp roller comes with 3 refill pads. Oil holes on the side of the drum allow for re-inking, enabling reuse without replacing the entire roller. The total stamping length can reach up to 100 meters under normal use without needing refill. Color: Blue Material: Plastic Package Contents: 2 x Handwriting Line Stamp Rollers 3 x Refill Pads Note: Light reflection and differences in display screens may cause slight variations in color between the image and the actual item. Measurement tolerance is +/- 1-3 cm.