It is made using microfibre and the cover is made with 100% Cotton.It is the most comfortable place for your baby after your arms. The Snooze Lounger makes a comfortable nest for your newborn, keeping them in place. The Lounger keeps your baby at a gentle angle which helps avoid colic. It comes with a removable waterproof protective sheet which makes sure that you don't have to worry about the small spills. And for the bigger ones, just toss the lounger in the Washing Machine.