Water soluble “MULTI-USE” Leads, For almost all surfaces, no matter if dry or wet, glossy or rough, dusty or oily, bright or dark, Wipe clean from glossy surfaces with a damp cloth, Leads are already sharpened, In a convenient and sturdy plastic box, Protect red & yellow from temperatures above 30°C., Diameter: 2.8mm, Length: 125mm, Corresponding Pencil: Pica-Dry,