Kraft paper or kraft is paper or paperboard produced from chemical pulp produced in the kraft process. Sack kraft paper, or just sack paper, is a porous kraft paper with high elasticity and high tear resistance, designed for packaging products with high demands for strength and durability.

Because of its strength, Kraft Paper is used for many industrial and commercial applications. The material is used in packaging operations for packing, wrapping individual items, bundling and void fill. Also, Kraft paper can be used as load binders between layers of palatalized products.