Absolutely! We would love your kids to be at the wedding and the reception, however there will be an open bar at the reception, so if you prefer your kids go home at a certain time so you can enjoy the party, that's okay too!
Casual attire is perfectly fine, wear whatever makes you comfortable. It is going to be December so consider that weather may play a part in your outfit.
Yes, just specify this when you RSVP so we make sure there is plenty of food for everyone to enjoy