Size Guide

Find Your Perfect Fit

The wrong size is the #1 trash bag frustration. Let's fix that for good.

Our Sizes

Four Sizes. Every Bin Covered.

We engineered each size to fit the most popular bin dimensions perfectly. No bunching, no slipping.

LAST BAG rolls in four sizes – green, black, and tan – from small to large
4

4 Gallon

11" × 17"

Best for

Bathroom, office, car

Common bins

Small pedal bins, desk bins

Compatible with

simplehuman B, iTouchless

8

8 Gallon

18" × 24"

Best for

Bedroom, nursery, laundry

Common bins

Medium step-on bins

Compatible with

simplehuman G, IKEA FNISS

13

13 Gallon

24" × 28"

Best for

Kitchen (most common)

Common bins

Standard tall kitchen bins

Compatible with

simplehuman K/M, most kitchen cans

30

30 Gallon

30" × 36"

Best for

Outdoor, garage, utility

Common bins

Large outdoor bins, wheeled cans

Compatible with

Rubbermaid, Toter, most curbside

Four common household bins from bathroom to outdoor, each with a perfectly fitted LAST BAG

Every bin. Every room. One subscription.

Pro Tips

How to Measure Your Bin

If you're not sure what size you need, here's the foolproof method.

  1. 1

    Check for a size label

    Most bins have a gallon or liter size printed on the bottom or inside.

  2. 2

    Measure the opening

    Measure the circumference of the bin opening in inches. Divide by 2 – that's the bag width you need.

  3. 3

    Measure the height

    Measure from the bottom of the bin to the top, then add 4 inches for overhang. That's the bag length you need.

  4. 4

    Still not sure?

    Take the quiz or email us a photo of your bin. We'll figure it out for you.

Don't feel like measuring?

Just snap a photo of your bin and our AI will identify the perfect size instantly.

Snap a photo →

Not Sure? Take the Quiz.

Answer 3 questions and we'll match you with the perfect size and plan.

Take the Quiz