. This Marks-A-Lot Jumbo Chisel Tip Permanent Marker features an extra-large barrel that houses a generous, long-lasting ink supply. The ink is low-odor, nontoxic and certified. The jumbo 2/3″ chisel tip makes it ideal for creating posters, signs and banners where bold strokes and high visibility are key. Permanent ink dries fast and marks virtually any surface, including metal and plastic, and is designed to endure even against rubbing and water. This is one big, bold marker that will make you want to give a big round of applause. Jumbo 2/3″ chisel tip marks in a variety of line widths. Generous ink supply lasts a long time. Marks virtually any surface, including cardboard, metal and plastic. Dries quickly and is rub-resistant to minimize smudging. Nontoxic, low-odor formula is safe for both children and adults.