Specification:<br> Color: Transparent<br> Size:As pictures shown<br> Material: Silica Gel<br> Working Temperature: +5℃~+40℃<br> Working Humidity: ≤93%<br> Store Temperature: -20℃~+55℃<br> Store Humidity: ≤93%<br><br> Package Include:<br> 1x Mask<br> 1x Headgear