Kona or Basic cotton, Cotton Poplin, Silk Crepe de Chine: 8 globes per Fat Quarter or 32 globes per yard. Poplin not recommended as it doesn't have enough stretch, the globes tend to wrinkle.
Wider fabrics: at least 10 globes per Fat Quarter, and at least 40 globes per yard
Just want one globe on one swatch? You can get that over here!
Finished globes are approx. 3" in diameter. Other size globes are available here.