Perfect balance of thickness & stretch. Thick enough, but not too thick to breathe in our coming hot days. ONE SIZE FITS MOST - face mask bandanas feature a super stretchy fabric that accommodates most head sizes (adults & teenagers). MULTI-FUNCTIONAL DESIGN - many ways to wear it - neckerchief, headband, wristband, mask, hair-band, etc! LIGHTWEIGHT & BREATHABLE - The moisture wicking fabric of our face covers transfer heat and humidity away from your body and outside of the mouth cover, keeping you cool. Wear it as a face mask to protect your face from getting burned from the sun! Measures: approx. 16" x 9.8"