Beanie Cap is made of 100% acrylic yarns . It has heavy gauge knit that is very comfortable to wear, all season. You can wear this at night, when the day is a bit chilly, during your sleep, or take it on an outdoors journey. This will keep your head covered and in style too. Great for cold winter and weather promotional items and products Strechable Height (with fold): 8.5 in. Stretchable Width: 7.5 in.