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: 162 x 49 stitches
Sewn Design Size: 11.6 x 3.5 inches or 294 x 89 mm
Suggested Material Size: 17.5 x 9.4 inches or 444 x 239 mm
Stitch Style: Cross-stitch Using 2 strands