Made with a hypo-allergenic, two-way stretch polyester cover and luxurious foam, the Eve mattress topper is designed to provide maximum comfort and support to ensure you get the best night’s sleep. The evecomfort® foam is around 30 times more breathable than traditional memory foam to keep you comfortably cool, whilst the sturdy straps ensure that the topper won’t move around in the night.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, and take it to a UPS drop off point. The item must be unused and in its original packaging.