NEW Pottery Barn Kids Organic Cotton Multi-Colored Heart FULL Sheet Set NWT. Description from Pottery Barn Kids. This classic heart print easily layers with other patterns to mix and match with a variety of our bedding collections. Supremely soft and meeting the strictest healthy production standards, our organic sheeting provides lasting comfort. Made of 100% pure organic cotton percale. STANDARD 100 by OEKO-TEX® certified – tested against a list of over 350 harmful substances. Fitted sheet has universal elastic (elastic around the entire edge) for s snug, secure fit. Fitted Sheet: 54″ wide x 75″ long; fits mattresses up to 16 deep. Flat Sheet: 90″ wide x 96″ long. Pillowcase (2): 30″ wide x 20″ high. Wash before first use. Machine wash in warm water; gentle cycle. Use only non-chlorine bleach, if needed. Tumble dry on low heat. Warm iron as needed.