Helsinki Card (赫尔辛基卡) enables the tourist to travel free on the buses, trains and Subway. Holders of the card enjoy a 70% discount on the sightseeing tour and special benefits at restaurants, theatres and concerts, as well as small gifts at department stores. The validity (有效期) of Helsinki Card is 1, 2 or 4 days. The card is sold at the Hotel Booking Center, and travel agencies.