Louis Vuitton Onthego Tote Size & Style Guide: From Brunch Dates to Cross-Country Trips, One Bag Does It All

If there’s one tote bag that can elegantly accompany you through every chapter of life—from weekday routines to weekend getaways—it’s undoubtedly the Louis Vuitton Onthego. A dream-come-true for fashion lovers, this tote combines practicality, timeless design, and modern style in one iconic silhouette.
First launched in 2019, the Onthego has quickly risen to become a staple in Louis Vuitton’s lineup. Inspired by the brand’s legendary Sac Plat bag from the late 1960s, the Onthego reinterprets heritage design with a contemporary twist—crafted for today’s multifaceted women. Whether you’re strolling city streets or jetting off on a weekend escape, this tote feels effortlessly at home.

A Size for Every Style: From Desk to Destination
The Louis Vuitton Onthego is available in a range of styles and sizes, making it an ultra-versatile pick whether you’re heading to the office, hitting the shops, or hopping on a flight. With this guide—created in luxury resale leader REALLUXBAG, known for its vast selection of designer bags—you’ll get a full breakdown of the Onthego’s size options, real-life proportions, and style pairings. Ready to find your perfect match? Let’s step into the world of Louis Vuitton elegance.
Complete Size Breakdown: Louis Vuitton Onthego
Within Louis Vuitton’s constellation of classic bags, the Onthego Tote shines as a modern icon. Thoughtfully designed for different lifestyles and needs, it comes in three sizes: PM, MM, and GM. Each size allows you to express your personal style while keeping your essentials close at hand.

👜 Onthego PM
Dimensions: 10” x 7.5” x 4”
Charming and compact, the PM is your go-to for brunches, night outs, and weekend markets. Despite its mini profile, it fits all your daily must-haves—phone, wallet, and a few extras—without losing that bold statement factor. (Shown far right in image)
👜 Onthego MM
Dimensions: 13.75” x 10.5” x 5.5”
The most popular size in the Onthego family, the MM strikes the perfect balance between form and function. It easily fits an iPad, notebooks, makeup pouch, and more—making it ideal for workdays or casual outings. (Shown center in image)
👜 Onthego GM
Dimensions: 16” x 12.75” x 6.75”
The ultimate travel companion. With its spacious interior, the GM is perfect for weekend trips, airport looks, or even a stylish diaper bag for chic moms on the move. It holds everything from laptops to layers and still looks sleek. (Shown far left in image)