If life were like a mermaid tale, it would look a lot like this. This design features an aqua blue mermaid tail with simple, blue ocean waves beneath. It's the perfect accessory for any little mermaid, wherever she may roam in and out of the water.  Available in Lavender/White & Aqua/White.  - 5 panel trucker hat - Snapback for adjustable fit * SIZING TIPS * – Based off the average head circumference, by age (50th percentile growth chart) – Measure in centimeters around the child’s head just above the eyebrows Mini  6 -18 months (45-49 cm) Big 18 months - 5 years (49-53 cm) Super 5 -10 years (53-57 cm)