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: 149 x 65 stitches
Sewn Design Size: 10.6 x 4.6 inches or 270 x 118 mm
Suggested Material Size: 16.5 x 10.5 inches or 420 x 268 mm
Stitch Style: Cross-stitch Using 2 strands