USA Seller, Ship Fast! Product Hardness: Due to the purpose of the product, the firmness must be increased to ensure its sturdiness as a support. You may feel slight discomfort when using the product for the first time, please gently lie on the product and slowly turn your neck to find the correct comfortable position. Usage Reminder: Do not use this product as an ordinary pillow all night, this is a Cervical Traction Device, the first use of 5 minutes to get up, the subsequent use of the process can gradually increase the use of time to slowly adapt to the product. Note that one-time use is best not to exceed 15 minutes Safe And Durable: The cervical neck traction device is made of high-quality Polyurethane material, The material will slightly shrink and harden when cold, and regain its elasticity when warmed up. And it does not contain any harmful chemical components Multiple Massage Points: It offers simple and effective physical solutions for helping provide targeted acupressure pain relief around the neck. Perfect for helping relieve neck/shoulder pain and pressure, bulging discs, pinched nerves, TMJ and sore muscles。