Do you know if you put the wrong materials into the recycle bags, it will cause these bags to be rejected? It means all these rejected bags will then to be disposed as general waste. Not only your good deeds will waste but also the resources, money and time will cause irrevocable loss. paper recycle bin might help to reduce the percentage of the tragedy. You just have to find two large used flat cardboard and then following the instruction to assemble the structure. While you successfully finish the previous steps, the last one is combining the structure with bin liner. Once the bin is full, taking the structure out from the bag and tying the bag-closing knot. Ultimately, you might have a query of why are we using this? Again, the purpose of the design is to remind and guide people to do recycle correctly, otherwise you waste your efforts.