The Original (Large/Medium): The classic workhorse, ideal for professional settings.
The Peekaboo X-Lite: A lighter, single-pocket version that removes the central partition for a more casual, slouchy look.
Sizes: Ranging from the "Micro" and "Mini" (popular for evening wear) to the "Small" and "Medium" (standard daily use). Acquisition Guide: Buying New vs. Pre-owned
The Partition: A rigid central divider that creates two separate compartments, maintaining the bag's shape.
Authentication: When buying pre-owned, prioritize platforms that offer physical authentication services.