These are the trading/collectable cards for the film Twilight which is based on the book by Stephenie Meyer.
These cards are the usual size for trading cards - 9 cm by 6.4 cm - the same size as the world of war craft and Pokémon cards. They are NOT the photocards which are postcard size (14 cm by 10 cm)Twilight Photo Cards
. Both sets (trading cards and photocards) contain identical images.
The trading cards consist of a 72 card based set. Randomly inserted into the packs are the foil chase cards:
9 "always" - 1 in every 11 packs
6 "different" - 1 in 17 packs
3 "in pursuit" - 1 in 23 packs
If you want to keep your trading cards in good condition I would advise getting some good quality nine pocket display pages (the type that you can get Pokémon cards). I recommend good-quality ones because some of the cheaper ones contain acids and alkalis which can damage your cards.
These cards make an excellent addition to anyone's trading card collection, especially if they are a fan of the associated books and films.