features: 1. water-based, dry-wipe prescription without toxic, No harmful to skin 2. 4g Ink inside it ,with 3mm round nib, FM450 Chisel nib size : 6mm, pen size: L13.7cm * W1.6cmInner with 8G inkPACKING; 8pcs / box, CARTON SIZE:44CM*27.5CM*30.1CM/CARTON features:1. water-based, dry-wipe prescription without toxic, No harmful to skin2. 4g Ink inside it ,with 3mm round and parallel nib, 8g ink ...