THICK LABELS. The 10x Black Cat firecracker advertising label features a striking black cat design in yellow and red, making it a highly sought-after collectible item. This label from the Black Cat brand adds a whimsical touch to any collection of advertising memorabilia, showcasing a unique and eye-catching design that is sure to stand out. Ideal for collectors interested in vintage advertising labels, this product offers a glimpse into the past with its retro design and bold color palette.