Cozy enough for every Who in Who-ville! Adult unisex Dr. Seuss Grinch pajama pants made with organic combed cotton for the softest of sleeps. • Unique artwork only available at Hanna • Hypoallergenic & eczema-friendly • Sensory-friendly scratch-free seams that lay flat on the skin • Like new wash after wash • OEKO-TEX® STANDARD 100 certified safe from hundreds of harsh chemicals