Introducing the auto-warming steam eye cover set. These masks are made of nonwoven material and warm up automatically, no outlet required. Soothe your vision after a tiring day, or on flights, for relaxation and sleep better. Unlike others, GJOOKA features upgraded design with skin-friendly non-woven fabric, without lint, making it hypoallergenic. Provides a more plush and comfortable experience, giving you better sleep comfort. Experience a unscented eye relaxation therapy, lasting for approximately 30-40 minutes at 107°F, ensuring scent-free relaxation. Lightweight and compact, perfect for all, be it office workers, learners, or travelers. Have a soothing experience anytime: before sleep, during leisure time, or while travel. Set includes 5 masks, buy with confidence. If you like them, opt for our GJOOKA 50 pack. Great as a gift. Customer support ensures resolve any issues within 24 hours.