Ideal for teachers and staff in nurseries, schools, and colleges, this edding BTK25 Whiteboard Marker Refill ensures your whiteboard markers are always ready for lessons and meetings. Specially designed for refilling edding 360, 363, 361, and TZ111 markers, this blue ink bottle is suitable for all non-porous whiteboard surfaces.

• Contains 25ml of blue, low-odour, lightfast, and quick-drying ink
• Dry-wipeable from enamel, glass, and melamine surfaces
• No-mess capillary refill system—simply stand marker tip-down in the bottle
• Caps can be left off markers for a few days without drying out
• Each bottle provides approximately 20 refills
• Pack of 1 refill bottle