View cart “SPRI Xertube – Ultra Heavy” has been added to your cart. Nautilus Equipment Mat (48″ x 36″)$99.00 Out of stock Categories: All Products, Fitness Accessories, Mats Description Description Available for pickup at our store (will not be shipped). Related products Select options Matrix TF50 Folding Treadmill $3,998.00 – $5,798.00 Add to cart SPRI Superband-Heavy $29.98 Add to cart SPRI Xerball Medicine Ball – 2lb $28.98 Add to cart SPRI Xerball Medicine Ball – 15lb $87.98