No light leakage The 22mm adaptive hollow nose bridge fits a wide range of nose shapes, helping block light effectively and support longer deep sleep. This design reduces gaps that can let light through, so you wake up feeling more rested. Completely block light for side sleepers The mask features a 15° tilt angle and ultrathin sides that minimize temple pressure, reducing up to 90% of the pressure on your temples. This makes sleep more comfortable when you are on your side, while still blocking light for back and stomach sleepers. eyes blinking Deep 12mm 3D contoured cup eye sockets provide ample space for eye blinking and prevent pressure on the eyes. This helps maintain eye makeup and comfort for both women and men. Fit all size strap The unique adjustable head strap is designed for durability. It stays soft, resists deformation, and won't slip or fall during sleep. The soft stretch cord won't pull or tangle hair, making it suitable for long wear. Use scenarios Side sleepers and mixedposition sleepers seeking complete darkness and reduced temple pressure for more comfortable overnight rest. Travelers on planes or in hotel rooms who need reliable lightblocking performance to improve sleep quality in unfamiliar environments. Anyone who wears eye makeup or cares about blinking while sleeping, including those who want to preserve makeup without pressure on the eyes. Designed for consistent performance, this sleep mask delivers effective light blocking, sidesleeper comfort, eyefriendly contoured cups, and a hairfriendly adjustable strap.