There is so much to love about these adorable hippos! Their friendly little faces and the gentle gray and blue color sceme deliver all the sweetest feels. And the polka dotted sock body could't be cheerier! Rubber grip-bottoms provide traction for new walkers. And little stuffed hippo faces double as rattles. Boogie Toes are the perfect addition to any kid wardrobe and make great gifts too! 100% Combed Cotton Rattle Accessory Socks. Hand Linked. Satisfaction Guaranteed, 85% Cotton, 10% Nylon, 5% Spandex.