What is costco chocolate mousse?

As an AI language model, I do not have access to current information about the specific products of Costco. However, some generic information about chocolate mousse is:

Chocolate mousse is a dessert that is made from whipped egg whites, heavy cream, sugar, and chocolate. It is a rich and decadent dessert that melts in the mouth. Costco is known for offering cost-effective products in bulk, including chocolate mousse. The price of Costco chocolate mousse may vary based on region and availability. Moreover, the exact ingredients and recipe may also differ from each supplier.