1 - Rice Chex 12.75 oz (361 g). 1 - Corn Chex 13.5 oz (382 g). 1 - Wheat Chex 1 lb 12 oz (28 oz) (793 g). Rice Chex: 160 calories per 1/3 cup. Corn Chex: 150 calories per 1-1/4 cup. Wheat Chex: 210 calories per 1 cup. See nutrition facts for as prepared information. Contains bioengineered food ingredients. Learn more at Ask.GeneralMills.com. Perfect for making party mix! See top panel for recipe, ingredients not included. Includes 3 bags. Making food people love. This package is sold by weight, not by volume. You can be assured of proper weight even though some settling contents normally occurs during shipment and handling. generalmills.com. Chex.com. We welcome your questions and comments generalmills.com. 1.800.328.1144. For tons of great recipes and more visit Chex.com.