Description :- The Camlin Waterproof Marker Ink Cartridge is a convenient and mess-free refill solution designed to extend the life of your markers. This cartridge contains rich green ink that flows smoothly, providing clear and vibrant writing on whiteboards and other suitable surfaces. Easy to insert and leak-proof, it ensures hassle-free refilling while maintaining consistent ink quality. The waterproof formulation helps the ink last longer and prevents fading, making it ideal for classrooms, offices, and professional use. This eco-friendly refill reduces waste by eliminating the need to replace entire markers, offering both economy and sustainability.