Solid Polyester Laundry Bag Size Guide

Which laundry bag actually fits your load?

Five sizes, one job each — from a dorm hamper run to a 50 lb laundromat pickup. Here's how they stack up against each other, and against you.

Solid polyester laundry bags in five sizes, from 22 x 28 inch small to 40 x 45 inch jumbo, shown side by side

Specs by size

What each size is actually good for

Load weight is the number people ask for, so we lead with it — treat these as practical planning figures, not a hard ceiling. A bag can technically hold more than the suggested load weight.

40" × 45"

X-Large / Jumbo

Typical load: 40–50 lbs
Capacity: 40 Gallons
Washer fit: Extra Large Capacity Machines
Best for: Commercial use, handling heavy-duty laundry needs for hospitality and medical facilities. Designed for larger items such as comforters or multiple loads at once.

Too much bag for a standard home washer (usually 3.5–4.5 cu ft) but still great for hauling and sorting.

30" × 45"

Large (tall)

Typical load: 35–40 lbs
Capacity: 32 Gallons
Washer fit: Large-capacity commercial washers
Best for: Bedding and comforter sets, towel bundles, facility linens that need height more than width

30" × 40"

Large

Typical load: 30–35 lbs
Capacity: 30 Gallons
Washer fit: Standard Capacity Commercial Machinery and Large Capacity Home Machinery
Best for: Most popular bag size for laundromats to re-sell.
Most popular size for laundromat to do custom printing/branding (printing the business name, address, phone, etc...)
Purchased frequently for wash and fold usage.
Good family size bag for one or two loads.

24" × 36"

Medium

Typical load: 20–25 lbs
Capacity: 15 Gallons
Washer fit: Medium Size Capacity Commercial Machinery/ Standard full-size washer at Home
Best for: Laundromats sell this bag as an option for a slightly smaller size than the large.
Useful for laundromats or wash and fold that charge by weight. Offering an option below the large 30x40 inch bag.
Great for medium-size loads for a single person or light load for a couple.

22" × 28"

Small

Typical load: 10–15 lbs
Capacity: 11 Gallons
Washer fit: Small Capacity Machinery
Best for: Laundromats and Cleaners use this size bag as a counter bag.
Ideal for light loads.
Useful for businesses that charge by the weight, offering a smaller load size.

Quick pick

Match your situation to a size

If you're...	Go with	Why
A student doing laundry solo, occasional trips to a shared machine	22×28	Light enough to carry full, no wasted space on a half-load
One person or a couple washing weekly at home	24×36	Matches a standard home washer's capacity almost exactly
A family or a house full of roommates	30×40	Holds a full week's laundry without needing two trips
Washing bedding, comforters, or bulky linens	30×45	Extra height handles bulky items a wider bag wastes
Running a wash-and-fold route, facility, or laundromat	40×45	Built for volume and commercial machine capacity