A special, extremely thin, synthetic skin, and rubber tubing with appropriately small lumen and thin walls. The cephalic and basilic vein are accessible, as well as the dorsal venous arch on the hand. Comes with two IV bags with clamps, one pint Life/form? blood, and winged infusion set. Fluid supply stand not included. Three-year warranty. Size: 8" x 5" x 5".