Natures Gift to your BabyStart your little dreamers day the green way. Our Natural Cotton Bassinet Mattress with Organic Coverlet will keep your baby safe from toxic chemicals, and your mattress free of invasive dust mites, microbial growth, odor and wetness. The coverlet is a premium organic cotton encasement that acts as a soft crib sheet and mattress pad all in one. The zipper closure makes removal easy and simple.