ThreePress 3 Layer Compression Bandage System 10 cm X 3 m, 10 cm X 8,8 m, 10 cm X 5,9 m Self-adherentAbout ThreePress Self adherent Closure 3 Layer Compression Bandage System (1 Unit) Three bandages work together to provide effective, sustained compression for up to seven days when applied as directed Produces sub bandage pressure at the ankle in the 30 40 mmHg range when the system is wrapped as indicated First layer is a 4 inches x 4. 3 yards, padding bandage, second level is a 4 inches x 9. 6 yards, compression bandage and third level is a 4 inch