Specifications: This is a multifunctional pen and a preview. Gel Ballpoint Pen Lead NJK-0.5 Lead Prefill Product size: Maximum diameter φ0.1 x Total length 3.9 inches (3.0 x 98.2 mm); Weight: 0.03 oz (0.7 g); Ink: Water-based pigments; Art Supplies Shop Dot Com Postcard A: Limited Product!! 1 x Cute Animal Postcard