Specifications: One-touch correction with a push of the nib. (Tip core, diameter 0.04 inch (1.00 mm)); Corrects various OA output papers, and corrects prints. You can freely adjust the amount of liquid discharge by pressing the container, and quickly fix it from small areas to large surfaces. Material: Cap: Recycled POM Body: Recycled PA; Nib: POM; Cap Safety: ISO standard; Ink Ingredients: Both oil-based and water-based inks; Art Supplies Shop Dot Com Postcard A; Limited Product!! 1 x Cute Animal Postcard