Pillow Pets Glow Pets Penguin, 12 Inches Pet is approximately 15 inches nose to tail and 15 inches wide when opened. Glow pets are the amazing light up pets that are also an extra comfy, soft pillow. Simply press the button and your pet will turn on a soft glowing light that creates a magical environment to help your child fall into a restful sleep. Each pet has LED lights that create a glow without producing any heat and the built in timer automatically shuts the light off after 20 minutes. Requires 3 AA batteries not included.