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: 118 x 161 stitches
Sewn Design Size: 8.4 x 11.5 inches or 214 x 292 mm
Suggested Material Size: 14.3 x 17.4 inches or 364 x 442 mm
Stitch Style: Cross-stitch Using 2 strands