Modular Storage Insert (Purse Interior)Modular Storage Insert (Fits both Compact and XL Bags) Your Cakes bag was built for carry. But not every day looks the same. The Modular Storage Insert is a structured panel that velcros directly into the female velcro already inside your Cakes bag, giving you a stable, organized interior on the days you choose not to carry. No extra hardware, no modifications. If you already own a Cakes bag, this works with what you have. Use it to keep your everyday