Thank you for your inquiry. The 40 foot Premier Party Tent features a top: 14-15 oz. Standard Laminated Vinyl, so it is waterproof. I have a link below that will help you determine a party set up and how to determine the size of tent you will need for the amount of people you have attending your party, tables or serving tables that you might have will need to be considered as well.
Party Tent Buying Guide