PLACE juice in medium bowl. Add strawberry gelatin; stir until dissolved. Add strawberries.
PLACE Flipz in bottom of 13 x 9-inch baking dish.
MIX cream cheese and sugar in large mixer bowl until creamy; fold in whipped topping. Spread on top of pretzels making sure that cream cheese mixture touches all four sides of the dish. Gently spoon gelatin mixture over cream cheese layer.
REFRIGERATE for 1 hour or until gelatin mixture is firm.