Made of High Quality Aluminum, All Aluminum include Core & Tank. Provides strong, quickly and durable cooling. Leading-edge Welding Craftsmanship, CE Approval.High Performance Racing Design, Improves Cooling by 35 -45% Temp. Please take photos immediately if you find the package or item damaged. Although we are trying our best, there could be small issues like wrong or defective item sent or damaged during transit or item not as described. And we will do the same for you automatically! Thank you for your cooperation. Welcome to my store again.