Splendid Kangaroo Water Bottle with Storage Compartment and Attachable Lanyard: 25 Oz, Ideal for Holding Cards and Keys While Exercising, Working, in Class and More (Grey/Black) Wallet-style kangaroo pouch compartment which holds IDs, cards, keys, and more. Saving you the need to carry a bag or wallet. Attachable lanyard for easy carrying; easy one-handed use Great for sports, working, going to class and more Leak-proof BPA free