Made with 96% Polyester and 4% Spandex, these 2-layer fabric face masks deliver a snug fit while remaining comfortable to wear for long stretches of time. What's more, the adjustable toggle strap helps find the perfect fit for each head size. .: Material: 96% Polyester, 4% Spandex.: One size: 7.3'' × 4.5'' (18.54cm × 11.43cm ).: Elastic adjustable straps.: One sided print