3D ERGONOMIC DESIGN: Crafted with a 3D ergonomic shape, this contoured eye mask for Lash Extensions perfectly contours to the unique curves of your eye area, including the bridge of the nose, orbital bones, and cheekbones, without causing any pressure points, effectively alleviating eye strain HIGH-EFFICIENCY COOLING GEL MATERIAL: Filled with expert-grade Gel, the cooling sleep mask boasts exceptional heat conductivity and temperature retention capabilities. Upon application, the gel quickly absorbs heat from the surrounding eye area, providing a lasting cool sensation ideal for relief puffy eyes, dark circle ADJUSTABLESTRAP FOR CUSTOM FIT: Featuring an adjustable elastic strap, users can effortlessly adjust the strap's length for personalized comfort, making our sleeping mask versatile for diverse users and scenarios PORTABLE AND EASY TO CLEAN: With its compact size, our 3D sleep mask is convenient to carry anywhere, making it perfect for home use, office breaks, or travel. The outer layer is made of soft, washable material that can be easily cleaned VERSATILE APPLICATIONS FOR EYE HEALTH: Suitable for multiple occasions, this eye masks for sleep is not only ideal for post-screen relaxation but also beneficial for naptime, nighttime sleep enhancement. The cold eye mask gentle cooling action promotes blood circulation, and contributes to improved sleep quality and revitalized eye-area skin over Our 3D eye mask for sleeping, with a ergonomic shape, enhances comfort while ensuring even distribution of the gel's soothing effects, effectively alleviating eye strain.This weighted sleep mask is convenient to carry anywhere,with its compact size. Suitable for multiple occasions, our eye mask is not only ideal for post-screen relaxation but also beneficial for naptime, nighttime sleep enhancement. Ice mask gentle cooling action promotes blood circulation, reduces puffiness and dark circles, and contributes to improved sleep quality and revitalized eye-area skin over time