Features: This type of paper roll is suitable for 57mm thermal register printer. Made of pure wood pulp, the printing paper is pure white and smooth, providing better and clear printing effect. With less confetti, the printing paper can goes through printer smoothly, not easy to block up and won't hurt print head. After being printed, the contents can be preserved on the paper for a long time under normal temperature and dark environment. Widely used in shopping malls, supermarkets, clothing store, medical shop, hotel, telecom industry and some more industries which need bills and receipts. Specifications: Type: thermal paper Quantity: 20 rolls Dimension (paper width*paper roll diameter): 57 * 30mm / 2.24 * 1.18in Paper Roll Weight: 30g / 1.06oz (single one roll) Package Size: 22.8 * 15 * 3cm / 8.98 * 5.9 * 1.18in Package Weight: (appr.) 635g / 22.4oz Note: Avoid storing in high temperature, humidity and direct sunlight. Package List: 20 * paper rolls