Cover work area with paper towel. Lay your project on a flat covered surface. Fold the fabric in any pattern. Shake Simply Spray can well, pull off blue safety tab, spray the entire shirt. Try to maintain even pressure. (For darker coverage, spray over twice.) If you want to apply a second colour, wait about 10 minutes for the shirt to begin to dry between colours. (Fold the shirt in the opposite direction for a plaid effect.) Fabric will be dry to the touch in about an hour. Allow to dry thoroughly (72 hours) before washing.