Sale Tostitos Add to Cart Tostitos Crispy Rounds Tortilla Chips - 3 Ounce Bags - 12ct Box # 20871CC MSRP: $16.80 $13.44 Tostitos Crispy Rounds Tortilla Chips - 3 Ounce Bags. Sold in a box of 12 bags. 3oz bags. 140 calories per serving; approximately 3 servings per bag.