Best Brew in a Bag (BIAB) Bags for Homebrewing (2026)
Updated How we research
Brew in a bag bags let you mash all your grain inside the kettle, then simply lift the bag out, which is the simplest route into all-grain brewing. The most important factor is fit, so measure your kettle's diameter and depth and choose a bag that drapes over the rim without bunching. Voile or fine polyester mesh strikes a good balance, holding back grain while letting wort flow freely. Reinforced, fully sealed seams matter because a full grain bag is heavy and stressed seams are the first thing to fail. These bags suit brewers who want all-grain results without buying a separate mash tun, and they are ideal for small-space and single-vessel setups. A drawstring or handle loops make lifting and draining easier and safer over a hot kettle. Consider having a second bag on hand so you can brew again before the first dries, and check that the mesh is rated for boil temperatures. Reusable bags are far more economical over time than disposable options.
The short version
We compared 7 picks. Our scores range from 7.0 to 8.4 out of 10.
- Best overall:Hobby Homebrew Mesh Grain Bag BIAB Brew-in-A-Bag with Handles (27.5 x 32.5 in) BAG29. Highest overall score in this guide at 8.4/10.
- Also great value:5 Pack BIAB Brewing Bag 26x22 250 Micron Reusable Fine Mesh Brew Bags with Drawstring. Value score of 9/10, overall 7.6/10.
- Solid build:LD Carlson 4718 Brew-in-A-Bag Straining Bag with Handles (24x26). Build and materials score of 8/10, overall 8.1/10.
- Feature-rich:Bellamei Brew Bag Reusable 2 Pack 22x26 250 Micron Fine Mesh Bag with Drawstring. Features score of 8/10, overall 7.8/10.
Scores are our editorial assessment, not customer ratings. How we score
Hobby Homebrew Mesh Grain Bag BIAB Brew-in-A-Bag with Handles (27.5 x 32.5 in) BAG29
Hobby Homebrew's BIAB mesh grain bag with handles, measuring 27.5 x 32.5 in to line larger brew kettles.
Our score8.4/10Budget
LD Carlson 4718 Brew-in-A-Bag Straining Bag with Handles (24x26)
LD Carlson's 24x26 brew-in-a-bag straining bag with handles, a trusted homebrew supply option for simple BIAB mashing.
Our score8.1/10Budget
#1Hobby Homebrew's BIAB mesh grain bag with handles, measuring 27.5 x 32.5 in to line larger brew kettles.
Fit for the job 9/10 · Features and specs 8/10 · Build and materials 8/10 · Value 8/10
- + Sewn-in handles make lifting a heavy wet grain bill out of the kettle much easier
- + 27.5 x 32.5 in size wraps over the rim of bigger pots so the bag stays put
- + Reusable mesh replaces a separate mash tun for simple all grain brewing
- - Check your kettle diameter, since a bag this big can bunch up in small pots
- - Handles add seams where grain bits can hide, so rinse thoroughly
#2LD Carlson's 24x26 brew-in-a-bag straining bag with handles, a trusted homebrew supply option for simple BIAB mashing.
Fit for the job 9/10 · Features and specs 7/10 · Build and materials 8/10 · Value 8/10
- + Handles give a secure grip when hoisting a saturated grain bag from hot wort
- + LD Carlson is a long-standing homebrew wholesaler, so quality is consistent
- + 24x26 size suits common five gallon batch kettles for BIAB brewing
- - May not stretch over the rim of very wide or tall kettles
- - Single bag with no spare, so a tear can stall a brew day
#3Bellamei's reusable 2 pack of 22x26 brew bags with 250 micron fine mesh and a drawstring for BIAB and hop straining.
Fit for the job 8/10 · Features and specs 8/10 · Build and materials 7/10 · Value 8/10
- + 250 micron mesh holds back fine grain particles for clearer wort
- + 2 pack gives you a spare or a second bag for hops and dry hopping
- + Drawstring closure lets you cinch the bag around the kettle rim
- - No handles, so lifting a full mash bag is awkward and can burn hands
- - 22x26 size may not fit over the rim of wide kettles
#4A 5 pack of reusable 26x22 BIAB bags with 250 micron fine mesh and drawstrings, handy for frequent brewers.
Fit for the job 8/10 · Features and specs 7/10 · Build and materials 6/10 · Value 9/10
- + 5 pack lets you rotate bags so there is always a clean one ready
- + 250 micron mesh suits both mashing grain and bagging hops in the boil
- + Drawstring top closes quickly and helps the bag hang from the kettle edge
- - Compare the bag stitching quality against premium BIAB options
- - More bags than a casual brewer needs, which takes up storage
#5An extra large 2 pack of 26 x 22 reusable fine mesh brew bags with drawstrings for BIAB mashing and straining.
Fit for the job 8/10 · Features and specs 7/10 · Build and materials 7/10 · Value 8/10
- + Extra large 26 x 22 bags fit most eight to ten gallon kettles for BIAB
- + Fine mesh filters grain and hop debris before wort reaches the fermenter
- + 2 pack means a backup bag if one tears or is still drying
- - Check the mesh count before ordering if fine filtration matters
- - No reinforced handles for heavy grain bills
#6A 2 pack of extra large 31 x 31 reusable nylon brew bags with drawstrings for large kettles and big grain bills.
Fit for the job 8/10 · Features and specs 7/10 · Build and materials 7/10 · Value 8/10
- + 31 x 31 size covers wide and tall kettles used for bigger batches
- + Nylon mesh is strong and rinses clean for reuse over many brews
- + Drawstring lets you tie the bag off and hang it to drain
- - Square shape can leave extra fabric in narrow pots that gets in the way
- - Nylon should be kept away from direct burner heat on the kettle bottom
#7A 5 pack of small 18 x 16 brew bags in 250 micron mesh, suited to hops, specialty grains and small batch mashes.
Fit for the job 7/10 · Features and specs 7/10 · Build and materials 6/10 · Value 8/10
- + 18 x 16 size is ideal for steeping specialty grains in extract recipes
- + 250 micron mesh keeps hop pellets contained so trub stays down
- + 5 pack covers several brew days or multiple hop additions per batch
- - Too small to line a full-size kettle for five gallon BIAB brewing
- - Thin drawstrings can loosen under the weight of wet grain
Before you buy: trade-offs we flagged
No pick is perfect. These are the main compromises we noted for the top products in this guide, so you can check they will not matter for you.
- Check your kettle diameter, since a bag this big can bunch up in small pots (Hobby Homebrew Mesh Grain Bag BIAB...)
- May not stretch over the rim of very wide or tall kettles (LD Carlson 4718 Brew-in-A-Bag Straining Bag...)
- No handles, so lifting a full mash bag is awkward and can burn hands (Bellamei Brew Bag Reusable 2 Pack 22x26 250...)
- Compare the bag stitching quality against premium BIAB options (5 Pack BIAB Brewing Bag 26x22 250 Micron...)
- Check the mesh count before ordering if fine filtration matters (Brew Bag 2 Pack Extra Large (26 x 22)...)
- Square shape can leave extra fabric in narrow pots that gets in the way (2 Pack Extra Large Brew Bag (31 x 31)...)
Frequently asked questions
›What is the best choice among brew in a bag (biab) bags for homebrewing (2026)?
Hobby Homebrew Mesh Grain Bag BIAB Brew-in-A-Bag with Handles (27.5 x 32.5 in) BAG29 is our top overall pick. Hobby Homebrew's BIAB mesh grain bag with handles, measuring 27.5 x 32.5 in to line larger brew kettles. It earns our score of 8.4/10, based on fit for the job, features, build and value.
›What is a good budget option?
LD Carlson 4718 Brew-in-A-Bag Straining Bag with Handles (24x26) is the strongest low-cost pick in this guide. LD Carlson's 24x26 brew-in-a-bag straining bag with handles, a trusted homebrew supply option for simple BIAB mashing.
›How much should I expect to spend?
Picks in this guide span $ price bands (roughly: $ = under $30, $$ = $30 to $100, $$$ = over $100). We never display exact prices because they change constantly, so the buttons above always show Amazon's current price.
›How were these products chosen?
We shortlist products that fit the job this guide solves and compare their published specifications, such as size, capacity, materials and what is included. Each pick gets an editorial score out of 10 for fit, features, build and value, and we write the pros and cons from those details. Our score is not an Amazon customer rating. We earn a commission if you buy through our links, which never affects the ranking.
Home Brew Craft independently selects every product; we may earn a commission from links above.
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