100% Rayon Derived from Bamboo Perfect Fit: Made with Corner Active Bands and Perfect Bed Border to keep the fitted sheet securely in place on your mattress. Fitted sheet orientation labels also make bed-making easier and faster – no more guessing. The Classic Bed Sheet Set from Cariloha is luxuriously crafted offering an incredibly soft and breathable sleeping experience. These sheets feature a twill weave that is cooler than cotton and designed for comfort in any season. The set includes various sizes and is easy to care for, with guaranteed satisfaction. Experience incredible luxury with these wonderful sheets.