Crafted from a supportive PU foam, the Eve pillow comes complete with a removable & machine washable cover, made from a breathable, two-way stretch polyester. Great for both back & side sleepers, this pillow is designed to be at the optimum height to keep your spine aligned, meaning you’re less likely to wake up feeling achy. The plush foam is designed with small holes, promoting airflow & keeping the pillow feeling cool to provide you with a great night’s sleep. We'll give you 30 days to decide whether it's a keeper. If you're not 100% happy, the easiest way to return for free is to contact Eve customer service on 0800 808 5766 or drop them an email on hello@evesleep.co.uk. One of their agents will send you an email with a label to print out. Just attach it to the original box, & take it to a UPS drop off point. The item must be unused & in its original packaging.