Materials: Handmade using Cotton fabrics and milk cotton yarns. Fit & Sizing: Head Circumference: 60cm We offer 3 sizes for our hats, but most of our hats typically come in one size that fits most adults. (sizing differs for some hat style!) Head Circumference Size Ages 52cm XXS 18 months to 3 years 55cm XS/S 6 years &above, Teens, Adult 60cm M/L Adult *To get the best fit, measure your head circumference using a measuring tape and stick your finger under the tape so that you give room! Care Instructions: Hand wash cold and lay flat to dry. Iron/ Steam in medium heat; Do not iron directly on crochet parts.