What to Put in Your Wedding Welcome Gift Bags - When deciding what to include in your wedding gift bags, consider the overall theme of your wedding. For example, if you are planning a Fall or Winter wedding, include seasonal related items in your gift bags like hot cocoa leaf shaped soaps.Other ideas for what to include in your wedding gift bags can range from the hangover helper kit to local souvenirs. Here are some ideas to help you narrow down the perfect items for your guest gifts bags.