Preheat oven to 400 degrees.
Unfold pastry on a work surface.
Using a pizza cutter, cut pastry into 10 equal strips.
Cut each strip into thirds.
Wrap a strip of pastry around each frank, and place seam side down, 2 inches apart on a baking sheet.
Brush top of pastry with egg and sprinkle with poppy seeds.
Bake until golden, 25-30 minutes