KUANGTU HANDBAGS editorial team
At a glance
Louis Vuitton lists the Monogram OnTheGo MM M45321 at 35 × 27 × 14 cm, with twin Toron top handles, two long shoulder straps and a 24 cm shoulder drop. The brand includes a 13-inch laptop in its fit example. Treat that as guidance for the official reference, then check your device’s outer dimensions and the exact supplier bag’s opening.
Two handle sets serve different carrying positions
The official description distinguishes twin Toron top handles from two shoulder straps. Its detailed list specifies two long leather shoulder straps with a 24 cm drop. This is a pair of shoulder straps, not a documented long crossbody strap.
When comparing a tote, ask to see the short handles and long straps together, including where the unused pair rests. For shoulder carry over a jacket, the drop and strap spacing matter more than the overall body height alone. The published drop is a reference measurement, not a guarantee of comfort for every wearer or load.
Sources: Louis Vuitton Singapore — OnTheGo MM Monogram, M45321
Read the 13-inch laptop example carefully
The M45321 page gives 35 × 27 × 14 cm in its stated order of Length × Height × Width. It lists a 13-inch laptop, smartphone, keys, Zippy wallet and earphones under Fits. This is the brand’s example for the referenced model; we have not physically tested that load.
A laptop’s screen diagonal does not tell you the width, height and thickness of its casing or sleeve. Measure the device with the protection you actually use, then compare it with the usable opening and interior. Do not convert the exterior dimensions into guaranteed storage volume or assume that the reference supplies a padded laptop compartment.
Sources: Louis Vuitton Singapore — OnTheGo MM Monogram, M45321
Canvas body, textile lining and leather straps are separate
The official page describes Giant Monogram canvas on one side and Monogram Reverse on the other. It lists coated canvas for the body and trim, textile lining, gold-colour hardware, a flat inside zipped pocket and an inside double pocket. The long shoulder straps are separately described as leather.
This component list is more precise than calling the whole bag leather. The internal zipped pocket also does not, by itself, establish a zip across the main opening. If closure coverage or device protection matters, request a top-down image and the main-opening specification for the exact bag.
Sources: Louis Vuitton Singapore — OnTheGo MM Monogram, M45321
A matching size string is only a starting point
KU-EF31C57B is supplier-described as canvas and lists 35 × 27 × 14 cm. Its photograph shows a brown large-monogram body, short handles and longer dark straps. Although the number sequence matches the official reference, the supplier record does not label its axes or confirm the official lining, pocket arrangement or 24 cm drop.
Ask for the selected SKU’s strap drop, interior and top-opening measurements, and photographs of both faces. Send the outer dimensions of your laptop and sleeve with the quantity and destination. Brand identity remains unverified; matching a name, pattern or size string is not proof of model equivalence or authenticity.
Catalogue references to compare
These photographs and records are separate from the official brand sources. Supplier-listed specifications do not authenticate an item or confirm an exact match to a retail model.
Questions & answers
What size is the checked OnTheGo MM?
M45321 is listed at 35 × 27 × 14 cm, with the official labels Length × Height × Width in that order.
Will every 13-inch laptop fit?
The official page includes a 13-inch laptop in its example, but devices and sleeves differ. Compare their outer dimensions with the usable opening and interior; no fit test was performed here.
Is the OnTheGo MM M45321 entirely leather?
No. The official specification lists coated-canvas body and trim, textile lining and leather long shoulder straps. These component facts are not automatically the supplier SKU’s composition.
Does the 24 cm drop describe a crossbody strap?
No. The checked page assigns it to two long shoulder straps. It does not document a crossbody strap for this reference.
Continue exploring
- How to choose the right handbag size
- Tote Bag Buying Guide: Size, Handles & Compartments
- Browse Louis Vuitton-named catalogue references
Prepare a wholesale enquiry
Use the catalogue SKU, selected option and quantity in your brief, then add your delivery country and the details you need confirmed. Wholesale orders start from 5 pieces; the permitted mix, samples and shipping are confirmed in the quote.
Wholesale ordering: minimum quantity, samples and quote stepsSources & scope
The official M45321 body and detailed specifications were read on 2 October 2026. Units, axis order and component materials are retained. The laptop example is an attributed brand claim, not our test or a supplier-SKU guarantee.

