6Pcs Double Head Sketch Paper White Pen Pastel Charcoal Paper Sketch Drawing Art Painting Description: These white pens are made of papers. They are not real pen but pen shaped "eraser" which rub the stiff lines you draw and make them look soft and gentle, achieving a good shade effect. You are worth it! Features: 1. Made of compressed paper which is lightweight to hold. 2. There are 6 different sizes for your varied sketching needs, 2 ends are all available e. 3. Can be used to rub the line out of texture or soften some stiff lines you draw and thus can achieve light and shade effects. 4. Working great for plaster sketch. 5. If a part becomes dirty, just cut or tear it down. Specification: Material:Paper Color: White Size: Length 11.5cm / 4.53" 12.5cm / 4.92" 13cm / 5.12" 13cm / 5.12" 13.5cm / 5.31" 14.2cm / 5.59" Diameter 0.5cm / 0.20" 0.6cm / 0.24" 0.7cm / 0.28"   0.8cm / 0.31" 1.0cm / 0.39" 1.1cm / 0.43" Package Weight: approx. 24g Quantity: 6pcs / set Package Includes: 6 x paper white pens Note:  There is an measurement error of 0.5-1cm. DO NOT BUY IF YOU CARE.