In Norma supermarket, you will find exchange bottle machines. Only bottles from a brand that you can find in Norma, can be exchanged in this supermarket.For each bottle you put in, you get 0.25€ back 💰. Don’t forget to check the label to see if it is recyclable ♻️. When you have no bottles left just press the small button and you get a voucher with the value of your bottles. After you finished shopping you can hand the voucher to the cashier to get your discount.