MATERIAL: made of soft polyester cotton fabric,fine workmanship, not deformed, not shrinking,easy to clean, can be used repeatedly. ADJUSTABLE SIZE: with a high-elastic elastic design,definitely one size fits all, it fits well on your head and won’t fall off easily. FEATURE: breathable chef hat for four seasons,it works continuously even in high temperature environments. APPLICATIONS : it is good for restaurant chef, catering waiter/waitress, industrial workers,kitchens, hotels etc. INSTRUCTION: hand wash, water degree under 30 degrees; no bleach wash, no ironing, natural drying.