TEKwriterUSA Gelwriter Gel Pen Set with Pop-up Case, 100-Count (27104-D) Latex-free comfort grip with durable pocket clip All inks are Non-Toxic and conform to ASTM D-4236 requirements Includes 9 basic pens (4 colors at 0; 7 mm), 16 pastel pens (8 colors at 0; 8 mm), 15 neon pens (5 colors at 0; 8 mm), 32 metallic pens (16 colors at 0; 8 mm), and 28 glitter pens (15 colors at 1; 0 mm) Acid-free, archival quality ink Water-resistant, fade-resistant and check-safe ink