who are sa
g
encuse they
have for
wearing chappals ?
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23
Thongs made of polyurethane have caused some environmental concerns; because polyurethane is a number 7 resin, they can't be easily discarded, and they persist in landfills for a very long time. In response to these concerns, some companies have begun selling flip-flops made from recycled rubber, such as that from used bicycle tires, or even hemp , [24] and some offer a recycling program for used flip flops.
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