Looking for a place to store your Chaos Emeralds and chili dogs? Look no further than the new Sonic the Hedgehog™ 3D Backpack! The Sonic the Hedgehog™ 3D Backpack features adjustable shoulder straps and a zippered main compartment with 3D details of the world's fastest hedgehog. Dimensions: W 12" x D 5" x H 16"