As you know, when you checked-in you paid a 1€ key deposit. When you leave the hostel, you can either get it back, or donate the card to Travel, Help & Smile.
Be Hostels donates your key deposit to help the children in need of Nepal. Be Hostels collaborates with the Umbrella Foundation and sends all your donations to this NGO based in Nepal.
For further information please visit: www.umbrellanepal.org