This is a very well organized and thoroughly written sewing tutorial from The Blue Chair, demonstrating how to make these wonderful messenger bags. These bags finish measuring at 12 1/2″ (width) x 4 1/2″ (base) x 10 1/2″ (height).
More messenger-style bag sewing patterns featured at PP:
The Elsie K. Baglet Pattern from StudioKat Designs ✁
DIYFluffies - Stuffed Animal Sewing & Crochet Patterns - Buy 5 patterns and get 20% off with code: PATTERNS5 🐯