I like this idea, but would try to extend the water theme. Put plastic fish inside with a gift card to Bass Pro Shops! A gift card to the pool store or local water park would be fun too. I'm all about making the gift card connect.
Reciclar camisas abotonadas de hombre funda de cojines faciles de abrir para lavar DIY Button-Up-Shirt Pillow Covers MUST.THESE How great is this project for those button-up shirts you don't wear anymore?