3 ms·
How about that corrugated cardboard heat protector for the reusable metal cup? I think combined with reusable metal cups, it could help.
by antisthenes 8y ago
How about that corrugated cardboard heat protector for the reusable metal cup?
I think combined with reusable metal cups, it could help.
- bArray 8y agoI was thinking about that, but I'm not sure cardboard is a very high grade recyclable (materials made from it tend to be low quality). I was trying to think of something that itself could be more easily reused, like wood (although manufacturing would be awful).