The nerugoo rechargeable hot eye mask, perfect for nightly use, won the 2023 Good Design Award. - Brand: nerugoo - Type: Hot eye mask - Design: Rechargeable - Features: Usable every night Sleep right away nerugoo automatically turns off after 30 minutes, based on research into sleep onset speed, while maintaining the appropriate temperature. Reusable It's a cordless, USB-rechargeable type, so you can use it repeatedly. 3-level temperature adjustment nerugoo offers three temperature settings: low, medium, and high, allowing you to adjust the temperature to your personal preference. nerugoo Silk nerugoo uses A5-grade silk, pursuing the ultimate in comfort. Ships the same day.