This listing is for the 6 to 9 Month size, if you'd like a smaller size you can find it in these listings:
0-3 Months: http://www.etsy.com/listing/98079393/on-sale-mermaid-tail-cocoon-baby-girl
3-6 Months: http://www.etsy.com/listing/98079759/on-sale-mermaid-tail-cocoon-mermaid
If you're interested in the Starfish Headband only you can find it in this listing:
Care: Handwash, roll in a towel to remove excess water and lay flat to dry.
This set is made to order and current turnaround time is 10-12 business days.
Image credit: Barefoot Photography by Tina Doane and Deborah Kocan Photography
You can find this pattern and other wonderful patterns at Crochet My Love http://www.etsy.com/people/CrochetMyLove