The Source Weave Covered Tube Kit is a weave covered tube for extra durability and UV protection. Helps to keep the tube clean. Tube Kit includes a Helix valve, Dirt-Shield cap and SQC male quick-connector. Source Weave Covered Tube Kit Features Helix™ Valve Co-ex drinking tube Insulating UV-blocking woven cover Male quick-connect coupling (compatible with reservoirs featuring SQC and QMT) Dirt Shield™ – Valve cover Includes 95cm / 35in drinking tube plus Helix Bite Valve with Cover