Decals are made of heavy-duty vinyl and are for use on smooth, flat surfaces. Includes 4 large Super Why! characters (largest measures 18.5"" wide x 27"" high), 1 ""Super Why!"" logo, and 1 light switch decoration. Includes 3"" yellow Squeegee as well as full use and care instructions. Material: Plastic-PVC. L x W x H (inches) : 45 x 7.5 x 7.5