Horse Permanent Marker Ink Refill Blue. Made with high-quality ink, this refill delivers bold, clear color with smooth and consistent ink flow. It restores the performance of refillable permanent markers, providing quick-drying and long-lasting results. Suitable for use with compatible refillable permanent markers. - Name: HORSE Marker Refill Ink x 2 bottles/pack - Brand: HORSE - Unit Amount: 2 unit(s) How to Preserve: Store in a cool, dry place away from direct sunlight.