These cards are seen by UV contact lenses and UV sunglasses.

These two regulation-standard size decks measure 2 1/2 -by- 3 7/16 (W x H), and are made of practically indestructible PVC plastic material for years of use. Completely washable via a quick wipe with a damp cloth, the cards won't soil over time. The decks come complete with a hard plastic storage and carrying case. Each deck includes 52 cards, 2 jokers and 1 guarantee card. 

• 100% PVC plastic, these cards will last for years outlasting paper cards up to 50 times
• Four color decks are perfect for trick-taking games like bridge and skat, and are picking up in popularity among poker players
• Standard sized (2 1/2 x 3 7/16 inches) (Poker)
• 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
• Includes durable and solid hard plastic storage case
• Legacy design, 2-decks