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: 11 x 16 stitches
Sewn Design Size: 0.8 x 1.1 inches or 20 x 29 mm
Suggested Material Size: 6.7 x 7 inches or 170 x 179 mm
Stitch Style: Cross-stitch Using 2 strands