The characteristics of copper tube. High strength at low temperature 2. Copper tube has strong corrosion resistance 3. Copper is economical 4. Copper is lightweight 5. Copper can change shape 6. Copper is easy to connect 7. It does not leak, does not promote combustion, does not produce Toxic gas, corrosion resistance 8. Environmental advantages The recycling of copper is beneficial to environmental protection, the. According to your choice. Please list your special requests color, packages, etc. (15-35 Days to Delivered). Please contact me before you return it. Not accept returning of electronic components. Feedback is very important to us.