Item Type: Sketch Sponge Wiper Material: Plastic Package List 2 x Sketch Sponge Wiper 20 x Heads 1Plastic Handle: This sketch sponge wiper adopts plastic handle design with proper concave, providing comfortable grip and effort saving operation. 22 Head Shape: You will receive 2 pieces of sketch knife pens in total, one with triangular head shape, and the other with oval head shape. 320 Sponge Heads: These art sketch wipe knifes come with 20 soft and elastic sponge heads for replacement, meeting your needs. 4Multi Function: These sketch rubbing pens are suitable for drawing, wiping and erasing, and more functions await discovery. 5Portable Size: These sketch wipe pens with heads are light in weight and small in size, easy to install and replace, practical and convenient.