A:Non-Sterile disposable Lap Sponges, Pre-washed, X-Ray Detectable, Banded in 5's 18" x18", 12"x12", 8"x36", 4"x18". B:Non-Sterile disposable Lap Sponges, Pre-washed, Without X-Ray Detectable, Banded in 5's 18"x18", 12"x12", 8"x36", 4"x18". Size: 45cm*45cm-12PLY, 45cm*45cm-8PLY 45cm*45cm-6PLY, 45cm*45cm-4PLY 45cm*45cm-3PLY, 45cm*45cm-2PLY 20cm*90cm-12PLY, 20cm*90-8PLY 20cm*90cm-6PLY, 20cm*90cm-4PLY 20cm*90cm-3PLY, 20cm*90cm-2PLY 30cm*30cm-12PLY, 30cm*30cm-8PLY 30cm*30cm-6PLY, 30cm*30cm-4PLY 30cm*30cm-3PLY, 30cm*30cm-2PLY 10cm*45cm-12PLY, 10cm*45cm-8PLY 10cm*45cm-6PLY, 10cm*45cm-4PLY 10cm*45cm-3PLY, 10cm*45cm-2PLY 50cm*50cm-8PLY, 50cm*50cm-6PLY 50cm*50cm-4PLY, 50cm*50cm-2PLY