Card Measurements: Real Red Card Base: 5 1/2" x 8 1/2" Crumb Cake Card Layer: 5 1/4" x 4 Basic Black Card Layer: 4 1/2" x 2 1/2" Whisper White Card Layer: 4 1/4" x 2 1/4" Window Sheet Sliding Layers: 1" x 2"