If you are a beginner stitcher prefer to use Aida cloth. Its weave forms clearly distinctive squares in the fabric, which eases the placing of stitches.
Another option is using waste canvas. It forms a grid for stitching which can be easily removed later.
Material Type: Aida Generic White
Sewing Count: 14/inch or 55/100mm
Design Size: 123 x 149 stitches
Sewn Design Size: 8.8 x 10.6 inches or 223 x 270 mm
Suggested Material Size: 14.7 x 16.5 inches or 373 x 420 mm
Stitch Style: Cross-stitch Using 2 strands