This hat went missing from Crystal pool!!! WE NEED IT BACK

Yesterday (March 9) in the morning at Crystal Pool, someone picked up my son's hat from one of the change rooms. My son has special needs, and we need this hat back. Please if you saw it or picked it up accidentally with your things, email me and I will come pick it up from you. This hat has huge sentimental value as it was from his grandparents, and it is the only hat he will wear. Thank you!