BirthdayExpress Sonic Boom Room Decor - Giant Wall Decal Includes (1) package of giant wall decals with squeegee for installation and care. Decals made of vinyl and vary in size. Add matching tableware, favors, accessories, or a party kit bundle to complete your Sonic themed birthday party. Features classic characters from the SEGA video games such as Sonic, Knuckles, and Tails!