This art set is made of sponge, which have excellent durability, will provide you with good service. This art set is practical and function, simple structure and easy to use, suitable for professional or personal use. Features -Color:Silver -Material:Sponge -Size:14.50X1.20X1.20cm/5.70X0.47X0.47in - Tough And Convenient:Made from sponge materials, this sketch wipe pen is durable, , and no easy to break -Daily Use: Easy to trim and erase even the most detailed designs, allowing you to achieve the look every time -Versatile Design: Sketch erase tool is versatile and can be used with a variety of drawing materials, wide range of use - Easy To Carry:Compact size and light in weight design, sketch tool kit is easy to store and transport, can take it with you wherever - Compact And Portable:Whether you're a professional artist, designer, or hobbyist, the sketch drawing tool is a must-have tool for you Package list: 6 x Sketch Blending Pens