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Pool towel cards can be obtained at Reception by leaving a deposit of €60 per card (this amount also covers the deposit for other services, such as balls, bicycles, tennis rackets, etc...).
You can exchange the card for a towel at the Insotel Team Info Centre in Area C.
You can change your towel every 2 days at the Insotel Team Info Centre
Before you leave the Resort, return your towel to the Insotel Team Info Centre, where you will be given a Pool Towel Card that you can exchange for the €60 deposit previously arranged at reception.