"The name hippo originates from Greek origin and means €œRiver horse. they produce oil on their skin that helps keep them moisturized and protects them from the sun's rays. How cool is that? explore land and water with this creature, just make sure to come up for air every five minutes or so. Even if they are sleeping underwater, they will automatically come up for air without waking. Bring the magic of the zoo to your home with this adorable stuffed hippo and watch imaginations bloom. Ecokins are made from 100% fabric and plastic fiberfill. Embroidered eyes and nose. 16 water bottles are used to make one 12 Ecokin. Recycled paper hangs tag with cotton string instead of the plastic tagger. Biodegradable packing. Our Mission has always been to deliver toys and stuffed animals that foster curiosity about wildlife and educate children about the wonders of nature."