Venipuncture Training Aid Four-Vein Model (1/EA)Venipuncture Training Aid has four barely discernable blue veins in three different sizes with a fourth vein more deeply placed in our proprietary Dermalike II semi transparent flesh colored material. The veins are palpable across the surface of the soft tissue like material feels just like the real thing! This model permits clinicians to learn technique and gain initial confidence when accessing the larger veins before moving to the smaller more