The slip® contour sleep mask has been specifically designed with delicate eyelash extensions in mind. The shape of the contour on the inside of the sleep mask has been designed to sit away from your eyelids and allow additional space for your eyelashes to sit while you get your beauty sleep. Sleep mask dimensions: 8. 3” x 3. 5” | 21cm x 9cmUnit packaging dimensions: 9. 2” x 1. 5” x 4” | 23. 4cm x 3. 8cm x 10. 2cm | slip contour sleep mask -‘lovely lashes’ Black 1piece | Dermstore