Abundant Combinations: You will receive 24 rolls of dry erase board tape, including 14 black pinstriping tapes and 10 colored tapes in red, blue, yellow, light yellow, and green, providing sufficient color options for various needs. Long Enough to Use: Each thin electrical tape is approximately 3 mm (1/8 inch) wide and 66 meters (216 feet) long, making it convenient for creating even and straight lines on charts, crafts, whiteboards, bulletin boards, and other decorations. Easy to Use: The whiteboard grid tape has no paper backing and features a strong adhesive for easy and direct application without leaving residue or glue marks after removal, ensuring surfaces remain undamaged. Suitable for Various Surfaces: This slim line tape works well on whiteboards, dry erase boards, plastic, glass, paper, wood, metal, ceramics, and other clean, flat surfaces, ideal for creating grid lines or markings. Multiple Applications: Use the striping tape to organize items, make labels, guide lines, chalkboard writing, line drawings, and more, suitable for schools, classrooms, homes, offices, construction sites, and other locations. Color: Multicolor Material: PET Size: 66m x 3mm Package Contents: 24 rolls of dry erase board tape (Only the mentioned items are included; other products are not). Note: Due to lighting and display differences, the color in the image may slightly differ from the actual product. Measurement allows an error of +/- 1-3cm.