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: 81 x 199 stitches
Sewn Design Size: 5.8 x 14.2 inches or 147 x 361 mm
Suggested Material Size: 11.7 x 20.1 inches or 297 x 511 mm
Stitch Style: Cross-stitch Using 2 strands