1.0mm ss 304 body,3.0mm ss 430 protector
·Filter eyelet in the sprout
·Filter net inside of Tea pot  
·Sprout adopt welding process     
·sillicon w/ss plate side&long handle    
·silicon w/ss plate lid knob    
·polished or brushed body    
·Tea is brewed in the small teapot 1.0L, while water is boiled in the larger tea-kettle(2.0L) .
·Kettle is sturdy polished 18/10 stainless steel with heavy clad-core bottom.    
·Teapot is 18/10 stainless steel.
·Dishwasher safe