These face masks contain 2 layers of fabric: an organic cotton interior and a polyester exterior for healthy wearing.
The item is very stretchy and fits most with ease, and can be washed and worn again and again.
Style: HexagonStandard: 4.5" tall x 8.5" wideKids: 4.25" tall x 8" wideXL: 5" tall x 9" wide(Some manufacturer variance does occur and is normal) Material details: Fabric on Inside: 100% Organic Cotton;Fabric on outside: 84% Polyester/ 16% spandex exterior. Note: Not medical grade. Not comparable to N95 masks.