BASIC PILLOW PILLOW Features: medium-density pillows that can be used on their own or added to individual mats. Use: enhances energy expenditure; useful for more complex rehabilitative exercises. Specific or aerobic workout. Models and sizes: Art. 15847 Basic Pillow (1) - 40x30x12 cm Art. 15848 Pillow (2) - 60x35x12 cm