Product DescriptionSleep Eye Mask3D Contoured Cup Sleeping Mask & Blindfold, Concave Night Mask, Blackout Eye MaskConcave Molded Night Sleep Mask, 100% Blackout Eye MaskQ&AQ:What's the function of the nose cutout and the nose flap?A:The nose cutout and the nose flap suitable for almost of all nose types, good for block out light.Q:How do I use to use the eye mask?A:Match the concave eye cup over your eyes, then adjust the back strap to your nose and face closely, fine-tune the nose area to block out all light.5 Reasons for you to choose our sleep mask:3D ergonomic eye model design has no pressure on your eyeballs and move freely.Low rebound memory foam, without putting pressure to your face.The nose cutout and the nose flap fit snugly, block out light very well.Excellent for travelling, airplane, office naps and sleeping during the day. Good sleeping mask for women, men and children.It's a great gift choice, good gift for sister, brother, wife, husband, mom, dad, girlfriend and boyfriend.