Handmade in the USA Small - 8 x 5 Ear-loops adjustable up to 4.5" Medium - 9" x 5.5" Ear-loops adjustable up to 5.5" Large - 10" x 6.5" Ear-loops adjustable up to 5.5" 3 layers of fabric Nose wire Hand washing recommended Pre-washed with no contact after washing but washing before use is suggested" Handmade Cotton Blend Customizable Face Masks With Adjustable Ear-Loops - Star Trek- Starfleet Medical