Pure cotton sheets are a popular option for fabrics, as they wick moisture away from the skin without feeling hot and clammy. iSleep Solid color material is made from 100% pure cotton with 420 Thread Count (TC). It is a fitted sheet with elastic edges and fits up to 14 inches of mattress. It is soft and extremely comfortable. This material is breathable and durable and suitable to be used in the local tropical climates. It is anti-bacterial and anti-dust mite, hypoallergenic.