The yarn is : Alize Diva Ombre Batik with silky effect
Crochet that I use is 3 mm, and 2.5 mm, and of course the suitable yarn for the crochet number into the same pattern you will find also the instructions for the sun hat.
And also I make video tutorial and you can find it here : https://youtu.be/xOSw-WUocsY?si=TSaf1IWSY1H2WzOw
Thank you so much for your support!!!