You can find fabric for cross stitching in different sizes, colors and types.
Aida, linen and evenweave are the most common types of cross-stitch fabric. The standard Aida fabric is a good fabric for beginners because the holes are large and easy to see.
Note - it is the number of holes per inch that determines the size of your stitches.
Material Type: Aida Generic White
Sewing Count: 14/inch or 55/100mm
Design Size: 94 x 51 stitches
Sewn Design Size: 6.7 x 3.6 inches or 171 x 93 mm
Suggested Material Size: 12.6 x 9.5 inches or 321 x 243 mm
Stitch Style: Cross-stitch Using 2 strands