Just the multiplication grid, which is the base product. It has the multiplication and the division grids on the front and on the back.
Multiplication Grid Base
The grid is also available in three sizes.
Size 1: 20 x 25 x 0.4 cm (H x W x B)
Size 2: 20 x 29.5 x 0.4 cm (H x W x B)
Size 3: 29.5 x 42 x 0.4 cm (H xW x B)