Choo Choo Mini Exterior Features: Wide mouth opening for quick access to pill box Interior Features: Includes transparent 8 day pill organizer with push open button Dimensions: 3.5"W x 2.5"H x 1.38"D Bobsled : Exterior Features: Wide opening zipper compartment Exterior attachable keyring Interior Features: Soft lined interior to protect glasses from scratch Dimensions: 6"W x 3"H x 1.5"D Metro XL : Exterior Features: One main zipper compartment One back clear ID window Removable key ring Interior Features: One divider for clear ID window and main compartment RFID: The whole wallet is protected Dimensions: 6"W x 3.5"H x 1"D