Specifications: Oil based + gel = emulsion Oil-based, heavy duty ink and gel light writing Writes with light force, strong and dense Ink Color: Red; Body Size: Shaft Diameter 0.4 x Total Length 5.5 inches (11.0 x 140.0 mm); Retractable; Rubber Grip; Refill: EQ-0.5; Art Supply Shop Dot Com Postcard A; Limited Product! 1 x Cute Animal Postcard