It's everything you could want in a fabric! So luxuriously soft it seems to caress your baby's skin. It is naturally absorbent to keep your baby comfortable and dry. Breathable durable and beneficial to babies sensitive skin. It's naturally antibacterial and even inhibits the growth of mildew and odors. And it's green... the fastest growing plant on earth and it needs no pesticides or chemicals to grow. Specifications: 40% Rayon/60% Organic Cotton Fits Mini Co-Sleeper