From the DellaQ website:

Chic, sleek, and functional, the Mini Messenger is a great bag for quick crafting on the go. It’s lightweight, water-repellent, and versatile, you can customize how you wear it to fit your style. Wear it across your back or chest for easy access to your project. It’s the perfect in-between, large enough for your supplies but small enough to avoid feeling bulky.

DIMENSIONS | 8" w x 14" h x 4" d