Straw Androidストローマン2号

Do not have to bother collecting only caps. 

Wash, dry, collect, carrying.... 

It's extra carbon dioxide will increase the contrary.

I'm reasonably those processed together at once!

Fractionation in the specific gravity to shake.
PET（Plastic bottle）、PE（Cap）、PP（Plastic straw）

But I'm plastic bottle Cap collector!  lol

It's my hobby. ;)