The Argyle Umbilical Catheter line offers these important features: Single, dual, and triple lumen catheter configurations. Polyurethane formulation. Clear, lipid-resistant, luer lock hubs. Completely encapsulated x-ray opaque lines. Numerical depth markings every 1cm. Smooth, rounded atraumatic tip. Color-coded I.V. extensions on triple and dual lumen catheters. Sterile; multiple sizes and lengths.