There are 5 cards per pack and 15 packs per box.
The Japanese and Korean sets contain 45 cards:

• 3 Ultra Rares / Secret Rares
• 12 Super Rares
• 30 Commons / Normal Parallel Rares

The Simplified Chinese set contains 60 cards:

• 3 Ultra Rares
• 18 Super Rares
• 39 Commons / Normal Parallel Rares