●Features 
1.
Selected food grade silicone tube, drink at unlimited angles.
2.Proofed non-toxic and BPA free by SGS.
3.Detachable components are easier to clean, and replace it periodically for more hygienic use.

●Material
Tube:Silicone (-20~+120℃) 
Adaptor:Polyproplene (
-20~+100℃)
Brush:Polyproplene (-20~+100℃) 
Bristle:Nylon (70℃±10)
Bead:Polyproplene/Stainless Steel (
-20~+100℃)