Teal and Purple Paper Straws Aqua and Purple Striped, Chevron, Polka Dot Party Supplies Mermaid Party Decor Bar Cart Accessories Graduation by PuppyCatCrafts on Etsy https://www.etsy.com/listing/189198364/teal-and-purple-paper-straws-aqua-and
I really like this idea for party favors. This blog has really great home made ideas for mermaid themed party. You have to scroll about halfway down the site to get to that party. There are a few before it. But really good ideas for bday parties.