Marion Pro plastic playing cards are made from an exclusively engineered plastic. These cards can handle the wear and tear of normal games, outlasting paper cards up to 500 times. They have bright faces, excellent memory and a great finish to retard slippage. Completely washable, you don't need to worry about soiled cards. A quick wipe with a damp washcloth, then dry and they are ready to go. Each set also comes in its own hard acrylic case for storage. Jumbo Face (for easier reading), narrow cards measure 5.7cm x 8.9cm . These Marion Pro playing cards are a must have for any serious bridge or poker player. Made out of 100% plastic they are the most durable playing cards on the market.