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POLYBIN is an integrated trash bin which can settle various trash bins for different rooms. This new bin can keep things in order. POLYBIN has four parts. When you assemble all the accessories, four bins get fixed so that the trash willnot spill out when you knock down the POLYBIN. Four bins in different size allow you use them for different kinds of trash. Three bins are shaped in inverted trapezoid so that they have more stability. You can invert bins to fix on the biggest bin and simultaneously the trash will drop to the bottom. The trash accumulates in the biggerst bin. When the bin is full, you only need to bring out
the bin to throw.
East China Normal University