Although cardboard boxes may seem like a no-brainer, ... And if you need to keep originals safe, you can store them in a ...

Managed by the office retail company KOKUYO, Shop & Café “THINK OF THINGS” in Tokyo now offers high-functional cardboard boxes that are waterproof enough to contain liquid inside called CARTON 2.0.

Of course, the universe of paper, cardboard and carton products out there is vast, and we simply cannot sort and sell every kind to recyclers. Any paper beverage cup, for example, is waterproof.

Although cardboard boxes may seem like a no-brainer, ... And if you need to keep originals safe, you can store them in a waterproof, security-safe box, which is also theft-proof.