●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℃／-4℉~+248℉) 
Adaptor：Polyproplene (-20℃~+100℃／-4℉~+212℉) 
Brush：Polyproplene (-20℃~+100℃／-4℉~+212℉) 
Bristle：Nylon (-20℃~+70℃／-4℉~+158℉) 
Bead：Polyproplene／Stainless Steel (-20℃~+100℃／-4℉~+212℉