Micro-Introducer Sheaths are made of a High-Density Thin Wall Polyethylene sheath material that allows for atraumatic sheath insertion without kinking or stretching. Tear Away Introducer Sheaths ensure a clean, even tear every time. Hemostasis Introducer Sheaths provide easy catheter movement through the hemostasis valve during multiple catheter insertions. The SeamLess Micro-Introducer is designed for ease of access, with redesigned angles and silicone coating.