The portable fan is made of ABS material. It's portable and small to carry. It can be rechargeable with USB and rotatable to any direction. The fan can also be clipped to table or desk. Or just hold it in hand or clip it in car comfortably at any time and anywhere without any noise,it even stay with you when you sleep in the evening. It can be used for as long as 8 hours after charged for one time. It is a good choice when one travelling, fishing, camping or taking on other outside activities