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 Awards: Winner 'Best for Beauty Sleep' Oprah Daily Sleep O-Wards 2024 Winner 'Best Luxury Sleep Mask' Women's Health Editors Choice Awards 2021. Dermstore has partnered with Flex to allow you to use your Health Savings Account (HSA) or Flexible Spending Account (FSA). This means you can now use your HSA or FSA debit card to buy Slip products with pre-tax dollars, resulting in net savings of 30-40%, depending on your tax bracket. Eligible for HSA/FSA with a letter of medical necessity at checkout. From dermatologist-recommended treatments to solutions for chronic skin conditions like acne, eczema, and rosacea, these products are both effective and eligible. | Slip Pure Silk Contour Sleep Mask- Black | Dermstore