LIKE A HUG FOR YOUR HEAD: 's sleep masks signature four-pod design allows you to wear the mask freely across your head to apply gentle, evenly distributed pressure for a comforting fit & soothing experience.USE THE WAY YOU LIKE: 's sleep mask is the only eye mask designed for side sleeping, yet engineered for all sleeping positions. No Velcro, No Straps, No Tension, No Bed Head!PREMIUM MATERIALS: One side of is made of premium jersey cotton. The other side is made of a premium plush microfleece. Filled with soothing microbeads that are BPA free. All our materials are OEKO-TEX certified; free from harmful chemicals.FREEZER FRIENDLY: For headache relief or help with your tired eyes, stays soft and flexible out of the Freezer. Get comfortable with !LIGHT BLOCKING FIT: blackout design contours to your face for a completely light-blocking experience to help you relax, find relief, & fall asleep faster. Four soothing microbead pods contour to your eyes for deep, restful sleep in any position.