Notes:

Be wary of using bags with large magnetic fastening. These can play havoc with credit cards, or any sort of plastic smart card, making them unreadable.

Your best bags are small in size. Approximately, 326cms (10.5\") long by 8cms (3.23\") wide, by 20cms (8\") high. A large bag will make you appear smaller as it will act as a strong contrast against your small frame.