Upgraded Shading Design Others- the first generation of common sleep mask : it leak the light by the wing of nose , so it's not 100% shading. Others - the second generation of Stereo nose designed blinder: it's easy to get pressure on the bridge of the nose, bad wearing experience. The fixed shape of the nose can’t fit to everyone's bridge of nose. BOOLAVARD Mask-the third generation design with stealth nose is naturally fit to the bridge of the nose and adjust to the best position when worn. The shading effect is better and more comfortable to wear. Comfortable Wearing Experience Thinner material , absorption of heat, strong air permeability. Even in summer, you don’t need to worry about stuffiness and irritability. The length of the elastic cord is adjustable and reach to 15cm ,so it can fit to everyone’s headform . Applies to any age/gender . The elastic strap was softened to avoid the tight feeling from the traditional blinder and give you a more comfortable wearing experience. Improved 3D Design Blinder The eye space is wider and deeper than the common ones ,it won’t have any pressure on the eyes and don’t affect your eyelash. So it’s not necessary to worry about this will make you uncomfortable ,you can wear it when you want to have a rest on a journey . It has larger space than the common three-dimension blinders, so no matter how the eye span is, it can meet all kinds of people’s requirement BOOLAVARD Produced, Quality Guarantee The material is the high quality memory foam, not deformation, not fade, not allergic; The exquisite manufacture craft, hard to fracture or damage . BOOLAVARD team provide product quality assurance service , if you have any questions, please contact customer service team, we will give you a satisfactory answer.The perfect travel accessories to help keep you feeling rested and refreshed. Get the benefits of total blackout, whether at home, in a hotel or on the plane (where bright led light and dry air can be especially harsh). Ideal for insomnia, migraine headaches and dry-eye sufferers, as the breathable, natural fibers of hypoallergenic silk allows healthy oxygen in while keeping dry air out. Gentle, easy-to-adjust headband won’t tangle hair or snag pillow like contoured masks that use VELCRO. And the plastic adjuster stays at the back of your head, not at your temples, which can be uncomfortable for side-sleepers. Fits comfortably with ear plugs and even with a CPAP facial mask. Fully adjustable strap from 15.8 inches to 27.6 inches, suitable for women/men/kids. A sleep aid and eye relaxer, made of 100% top-quality 19 momme natural mulberry silk on BOTH sides. Only super-soft, super-smooth mask offers the breathable, cool relaxation of the soothing masks found at the world’s premier spas. Hand Wash Only. Adjustable Strap,Velcro closure.Best Sellers Rank: See Top 100 in Health & Household. Age Range (Description): Adult. Special Feature: Hypoallergenic. Material: Silk. Color: Black. Brand: Boolavard. : B00UM9GW1U. Date First Available: August 26, 2015. Department: unisex-adult. Package Dimensions: 3.94 x 3.94 x 0.39 inches; 1.76 Ounces.