SIZE: ONLY FIT for 56-58cm 22"-22.8".</br>NOT FOLDABLE: it will leave bent mask if folded. we advise to ROLL it to take out.</br>SPF 50+: this sun hat has passed UPF 50+ test?? it could block 97.5% or more of sun UV rays.</br>CHIN STRAP: the detachable neck cord will keep hat stay safe on head in wind.</br>When shipped by Comhats??it will be fulfilled within 2 days after being ordered. Usually it takes 8-10days to be delivered. If you hope to get a PRIME service?? please notice to choose "filled-by-Amazon".</br></br>Product Description</br></br><b>Fabric<br>69046: 100%cotton fabric; 20%cotton/80%polyester lining. NOT suggest to fold?? but ROLLABLE.<br>69026: 100%cotton fabric; 20%cotton/80%polyeste"lining. FOLDABLE.<br>89024: 100%cotton. FOLDABLE.</b><br><br><b>Ironing Instruction</b><br>Steam ironing could fix the wrinkle and creases. It works better if you spray enough steam on the wrinkle or crease prior to ironing.<b