

Hero image 0 of Unbleached Muslin Kombucha Covers - 4 Pack with Rubber Bands, 0 of 9
Unbleached Muslin Kombucha Covers - 4 Pack with Rubber Bands
Key item features
- Breathable Muslin Gallon Jar Covers for Fermentation & Cultures: Comes with 4, 10" 100% Unbleached Muslin Squares with Rubber Bands. These breathable covers allow the airflow needed for aerobic fermentation for ferments like sourdough starter, kombucha, water kefir, milk kefir, ginger bugs, vinegar, apple cider vinegar, and other ferments utilizing oxygen during fermentation.
- Tight Weave Keeps Unwanted Things Out and Contents Protected: Keeps out dust and contaminants. The tight weave allows airflow while helping block dust and airborne contaminants from entering containers. Also useful for tea jars, storage jars, leftovers, and potpourri containers.
- Breathable Fabric Provides a Healthy Environment For Your Brew: Muslin is widely considered the gold standard for aerobic fermentation and is commonly used across a wide range of fermentation and storage projects.
- Large 10" Size Fits a Variety Of Jar Openings: This 10 inch by 10 inch is large, so it has the ability to fit crocks, jars, fermenters, bowls, cups, jugs, and other containers used for fermentation, storage, seed sprouting, and more. Just measure your container’s diameter to ensure compatibility.
- Reusable Hand Washable and Very Durable: These covers are designed to reuse again and again instead of paper towels, coffee filters, plastic wrap, or other disposable covers commonly used during fermentation or food storage. Simply handwash when needed and you're good to go.
Specs
- FeaturesCollapsible
- MaterialRubber
- ShapeSquare
- Size10\"
- Count4
- BrandFermentaholics
Current price is USD$11.99
Price when purchased online
Free 90-day returns
How do you want your item?
Try 30 days for just $1! Choose a plan at checkout.
Ships to
Arrives by Sun, May 24
.Order within 13 hr 59 min
Sold by Fermentaholics, LLC|Pro Seller
Fulfilled by Walmart
4.74793388429752 stars out of 5, based on 242 seller reviews(4.7)242 seller reviews
Free 90-day returns
Try 30 days of Walmart+ for just $1!
T&C apply. Claim offer now
About this item
Product details
Our 100% unbleached muslin squares with rubber bands are perfect for your kombucha, water kefir, or sourdough starter brewing process! These 10″ squares are designed with a tight weave that keeps fruit flies and other bugs out of your brew, preventing them from infesting and laying eggs on your SCOBY. These muslin squares are made from a breathable fabric that creates a healthy environment for your brew to thrive. The large 10″ size fits various jar openings, making it a versatile and convenient choice for any brewer. These muslin squares are hand-washable. Say goodbye to insect infestations and hello to a healthier, bug-free brewing experience with our 100% unbleached muslin squares with rubber bands.
- Breathable Muslin Gallon Jar Covers for Fermentation & Cultures: Comes with 4, 10" 100% Unbleached Muslin Squares with Rubber Bands. These breathable covers allow the airflow needed for aerobic fermentation for ferments like sourdough starter, kombucha, water kefir, milk kefir, ginger bugs, vinegar, apple cider vinegar, and other ferments utilizing oxygen during fermentation.
- Tight Weave Keeps Unwanted Things Out and Contents Protected: Keeps out dust and contaminants. The tight weave allows airflow while helping block dust and airborne contaminants from entering containers. Also useful for tea jars, storage jars, leftovers, and potpourri containers.
- Breathable Fabric Provides a Healthy Environment For Your Brew: Muslin is widely considered the gold standard for aerobic fermentation and is commonly used across a wide range of fermentation and storage projects.
- Large 10" Size Fits a Variety Of Jar Openings: This 10 inch by 10 inch is large, so it has the ability to fit crocks, jars, fermenters, bowls, cups, jugs, and other containers used for fermentation, storage, seed sprouting, and more. Just measure your container’s diameter to ensure compatibility.
- Reusable Hand Washable and Very Durable: These covers are designed to reuse again and again instead of paper towels, coffee filters, plastic wrap, or other disposable covers commonly used during fermentation or food storage. Simply handwash when needed and you're good to go.
info:
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.
Specifications
Features
Collapsible
Material
Rubber
Shape
Square
Size
10\"
Warranty
Warranty information
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Similar items you might like
Based on what customers bought
Best seller Layron Microwave Splatter Cover Polypropylene BPA Free Large Plate Cover $12.89 Was $15.99
Best seller
$1289current price $12.89, Was $15.99$15.99Layron Microwave Splatter Cover Polypropylene BPA Free Large Plate Cover
4364.7 out of 5 Stars. 436 reviewsBest seller Nordic Ware Deluxe Microwave Plastic Spatter Cover, Clear, 11" x 11" x 3.1", 1 Piece $9.97
Best seller
$997current price $9.97Nordic Ware Deluxe Microwave Plastic Spatter Cover, Clear, 11" x 11" x 3.1", 1 Piece
1734.6 out of 5 Stars. 173 reviewsBest seller Hengguang 8Pack Mesh Food Covers, 17inch Outdoor Food Covers, Reusable Large Pop-Up Mesh Food Cover Tent, Collapsible Food Cover for Outdoor and Home Use $14.49
Best seller
$1449current price $14.49Hengguang 8Pack Mesh Food Covers, 17inch Outdoor Food Covers, Reusable Large Pop-Up Mesh Food Cover Tent, Collapsible Food Cover for Outdoor and Home Use
794.7 out of 5 Stars. 79 reviewsBest seller ChrumpTon 300Pcs Plastic Bowl Covers, Disposable Elastic Stretch Food Covers, Two Sizes, Fits Bowls up to 8" & 13", Food Storage, Bread Proofing, Kitchen and Outdoor Use $10.77 Was $19.99
Best seller
3 optionsAvailable in additional 3 options$1077current price $10.77, Was $19.99$19.99ChrumpTon 300Pcs Plastic Bowl Covers, Disposable Elastic Stretch Food Covers, Two Sizes, Fits Bowls up to 8" & 13", Food Storage, Bread Proofing, Kitchen and Outdoor Use
2324.1 out of 5 Stars. 232 reviews100+ bought since yesterday Gourmet Club Reusable Plastic Stretch to Fit Bowl Covers, 12 Count Variety Pack $3.47
100+ bought since yesterday
$347current price $3.47Gourmet Club Reusable Plastic Stretch to Fit Bowl Covers, 12 Count Variety Pack
1333.9 out of 5 Stars. 133 reviewsBest seller Microwave Splatter Cover for Food, Collapsible & Vented Silicone Splatter Guard Lid, BPA Free Plate & Dish Cover with Handle, Kitchen Gadget, Grey, Knox Home & Health $8.99
Best seller
$899current price $8.99Microwave Splatter Cover for Food, Collapsible & Vented Silicone Splatter Guard Lid, BPA Free Plate & Dish Cover with Handle, Kitchen Gadget, Grey, Knox Home & Health
3074.6 out of 5 Stars. 307 reviewsBest seller Mainstays 4-Piece Silicone Reusable Stretchable Produce Saver for Fresh Fruits and Vegetables $9.96
Best seller
2 optionsAvailable in additional 2 options$996current price $9.96Mainstays 4-Piece Silicone Reusable Stretchable Produce Saver for Fresh Fruits and Vegetables
284.5 out of 5 Stars. 28 reviewsBest seller BYXAS Microwave Splatter Cover Vented for Food, Splatter Guard & Colander Kitchen Gadget for Fruit Vegetables Microwave Plate Cover with Hook Hole,Dishwasher-Safe,BPA-Free Silicone & Plastic (1 Pack) $6.99
Best seller
6 optionsAvailable in additional 6 options$699current price $6.99BYXAS Microwave Splatter Cover Vented for Food, Splatter Guard & Colander Kitchen Gadget for Fruit Vegetables Microwave Plate Cover with Hook Hole,Dishwasher-Safe,BPA-Free Silicone & Plastic (1 Pack)
934.3 out of 5 Stars. 93 reviewsBest seller Fridja 24 Pack Elastic Colorful Bowl Covers Reusable Elastic Food Bowl Storage Covers Elastic Food Storage Covers Plastic Wrap Bowl Covers for Food Storage $2.99
Best seller
2 optionsAvailable in additional 2 options$299current price $2.99Fridja 24 Pack Elastic Colorful Bowl Covers Reusable Elastic Food Bowl Storage Covers Elastic Food Storage Covers Plastic Wrap Bowl Covers for Food Storage
1144.4 out of 5 Stars. 114 reviewsBest seller Elastic Food Storage Covers Dust-Proof Protectors PE Stretch Plastic Bowl Covers for Family Outdoor Picnic 60 Pack $8.99
$899current price $8.99Elastic Food Storage Covers Dust-Proof Protectors PE Stretch Plastic Bowl Covers for Family Outdoor Picnic 60 Pack
744.6 out of 5 Stars. 74 reviewsMANNYA 100 Pieces Reusable Plastic Bags Food Storage Cover Kitchen Stretch Bowl Cover $8.10
$810current price $8.10MANNYA 100 Pieces Reusable Plastic Bags Food Storage Cover Kitchen Stretch Bowl Cover
Clearance 6PCS Reusable Silicone Stretch and Seal Lids for Food Storage Flexible Round Silicone Bowl Covers 6 Different Sizes Keep Food Fresh $4.72 Was $5.49
$472current price $4.72, Was $5.49$5.496PCS Reusable Silicone Stretch and Seal Lids for Food Storage Flexible Round Silicone Bowl Covers 6 Different Sizes Keep Food Fresh
62.8 out of 5 Stars. 6 reviewsBest seller Chef Craft Classic Microwave Cover, 10 inches in Diameter, Clear $6.49
Best seller
$649current price $6.49Chef Craft Classic Microwave Cover, 10 inches in Diameter, Clear
2633.7 out of 5 Stars. 263 reviewsBest seller Tovolo Microwave Splatter Cover for Food, Large (Charcoal) - Collapsible & Vented Silicone Splatter Guard Lid - Microwave Plate & Dish Cover with Handle - BPA-Free Kitchen Gadget for Meal Prep $6.99
Best seller
2 optionsAvailable in additional 2 options$699current price $6.99Tovolo Microwave Splatter Cover for Food, Large (Charcoal) - Collapsible & Vented Silicone Splatter Guard Lid - Microwave Plate & Dish Cover with Handle - BPA-Free Kitchen Gadget for Meal Prep
494.6 out of 5 Stars. 49 reviewsMicrowave Plate Cover Transparent Splatter Lid with Steam Vents and Handle for Food Heating and Oil Proof - 92 Inch Kitchen $9.60 Was $13.22
$960current price $9.60, Was $13.22$13.22Microwave Plate Cover Transparent Splatter Lid with Steam Vents and Handle for Food Heating and Oil Proof - 92 Inch Kitchen
11 out of 5 Stars. 1 reviewsSilicone Stretch Lids - Set of 6 $19.99
$1999current price $19.99Silicone Stretch Lids - Set of 6
114.2 out of 5 Stars. 11 reviewsReusable Stretch to Fit Food Covers, Variety Pack Cover-ups for Bowls Plates Cans Cups (2 pack) $10.99
$1099current price $10.99Reusable Stretch to Fit Food Covers, Variety Pack Cover-ups for Bowls Plates Cans Cups (2 pack)
15 out of 5 Stars. 1 reviewsACDANC 100 Pieces Disposable Elastic Food Covers Food Storage Cover for Family Home $6.40
$640current price $6.40ACDANC 100 Pieces Disposable Elastic Food Covers Food Storage Cover for Family Home
Gracenal Microwave Cover for Food, Polycarbonate, Non-Stick, 1 Count $19.99
11 optionsAvailable in additional 11 options$1999current price $19.99Gracenal Microwave Cover for Food, Polycarbonate, Non-Stick, 1 Count
804.2 out of 5 Stars. 80 reviews100 Pieces Food Grade Disposable Elastic Bowl Covers for Home Use $10.00
$1000current price $10.00100 Pieces Food Grade Disposable Elastic Bowl Covers for Home Use
Customer ratings & reviews
How item rating is calculated
Filtered and sorted results would be available on the new 'Customer ratings & reviews' page.
Sort by |
Showing 1-2 of 2 reviews
Nov 3, 2025
Todd
5 out of 5 stars review
Verified Purchase
easy to use
easy to use
Incentivized Review
Helpful?53VDRKGCVVKM826843487
Aug 14, 2024
Angela
3 out of 5 stars review
Verified Purchase
Not stitched
Because I have ordered this item before from fermantaholics I did not read the description. This is just cut cloth with no stitching. It arrived fraying and continues to fray. Still functions however it will be in the garbage soon.
Incentivized Review
Helpful?53VDRKGCVVKM826843487







