Hot and Cold Therapy: Place the gel eye mask in the freezer for 2 hours for cold therapy, or heat the eye cooling mask in the microwave for 10 seconds for hot therapy. Perfect for relieve eye strain, migraine, eye surgery, puffy eyes, allergies, soothes tired eyes. Easy to use, choose the therapy that suits your preference.Effective Light Blocking: Engineered with a design that effectively blocks out light, the mask creates a darkened environment conducive to restful sleep. This feature is beneficial for individuals who need to sleep during the day or in brightly lit environments.Unique Unicorns Eye Mask Gift Set: You will get one cold/warm gel eye mask and one plush Sleeping mask. For warm, cold eye therapy or sleep, it is your best choice for SPA, beauty salon, party, or good for sharing with sisters. The masks are not only functional but also make delightful gifts for friends, family, or colleagues who appreciate adorable and practical presents.Adjustable Strap: Both the sleeping mask and the gel eye mask has flexible strap. And they can fit all head sizes and help hold eye mask in most comfortable position. Please note that only the gel bead eye mask can be microwaved and chilled.Comfortable and Gentle Materials: Crafted from soft and gentle materials plush fabric, cotton, the sleep mask ensures a luxurious feel against the skin. This comfort is crucial for promoting relaxation and facilitating better sleep quality. And the gel masks have two sides for use. Crafted from premium materials, it provides a soft, gentle feel against the skin.