SATISFACTORY SERIVCE - 30 days unconditional return. ZELIER Customer service 2 years, We are committed to ensuring that you are 100% satisfied. If you have any questions, please contact us directly. We will provide you with a more friendly and satisfactory service. Hassle free and try migraine relief cap now. Safe & Comfort: Our Headache Relief Caps are Made with Medical Grade Gel, which is soft, non-toxic, odorless, so headache cap can be worn safely on bare skin. The products slip-on design means no messy wraps or uncomfortable ice packs, inserts or awkward band straps. Practical hole design on top for long hair. Additionally, the black Lycra fabric blocks out the light while you relax. Hot or Cold Compress: Zelier medical-grade gel hat are safe for the microwave and freezer to easily rotate between icing and heating injuries. providing long-lasting effects of cold compresses and pressure shrinks the blood vessel of head through cold, slows down the nerve conduction, relieve your muscular tension and mitigate your pain. Significantly Extend Relief Time: Innovative Iterative Upgrade Migraine Relief Cap, Thanks to double-layers of gel design to Provides last-longer relief duration than regular head wrap, Directly targets pain areas like the temples, forehead, sides, back of the neck and eyes. Add overhead gel without worrying about hat sliding off. Instant Comfortable Pain Relief: ZELIER cold flexible gel ice hat provides 360° cold & hot compression therapy, effectively therapeutic relief for headaches, migraine, tension, sinus headaches, fevers, stress relief, etc. Stretchable beanies shape design, reusable & wearable, one-size-fits-all.Best Sellers Rank: See Top 100 in Health & Household. Color: Black. Special Feature: Stretchable. Unit Count: 1.00 Count. Age Range (Description): Adult. Brand: ZELIER. : B0C1SHNZVM. Manufacturer: zelier store. Date First Available: April 7, 2023. Item model number: GEL-DB-707. Product Dimensions: 10 x 9 x 1 inches; 1.36 Pounds.