MuMu is bag reuse and reward system for grocery shopping. It is designed for the Open IDEO Bag Challenge.

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Get the MuMu bag at the groceries nearby. It serves as both a shopping bag and a membership at the grocery group. Scan the QR code attached to it every time you shopping, then your rewards will increase. The rewards and points can be managed in the MuMu app.

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The more you use the same MuMu bag, the more contribution you devote to the environment and the more money you will save.