The 57Cards Colorblind Rook Cards are manufactured by Fifty-Seven Cards LLC and are designed for players aged 13 years and up. These fully plastic cards are durable, waterproof, and feature a compact size of 3.7 x 2.4 x 0.8 inches, making them convenient for on-the-go play. With a weight of 5 ounces, these cards are perfect for collectors and casino enthusiasts looking for high-quality, long-lasting playing cards.