Eco Friendly Dish Sponge from SpongeMail Spinning

America's Latest Choice: Award Winning Eco-Sponges!

SpongeMail’s nostalgic, 100% microplastic-free designs have earned multiple top honors for sustainability and style.

Your Neighbors Love SpongeMail™

See why your neighbors trust SpongeMail™ for safer & more stylish kitchens.

Tag us at @spongemail and use #spongemail for a chance to win your next month free!

Claiming Your Free Sponge Is Easier Than Washing Dishes!

Enter Your Info.
Just your name, number, email, and address so we can send your your FREE sponge. 

(Takes less than 30 seconds.)

We Mail It To You, FREE

Arrives in 3-5 days via USPS. Yes, you heard that right, FREE. 

(Thank your friend who referred you this gift from us)

Love It? Sign Up To Keep It Coming On Your Terms 

Enjoy the convenience of monthly deliveries. 

Pause or cancel anytime – no strings, no jumping though hoops!

Got Questions? We've Got Answers!

Everything you need to know about SpongeMail's eco-friendly solution.

Title

Is this offer really free, whats the catch?

Yes! The sponge is on us! Enjoy it and after a week, if you are loving it, you can decide to sign-up.

How does the referral work?

Your friend shared the magic! Now you get a free eco friendly sponge gift, and they earn a free sponge gift for every 5 friends they refer. Win-win. Don't forget to do the same once you have signed up. 

What if I don't love it?

On the rare chance that you don't love SpongeMail. Do whatever you want with your sponge gift, its yours! 95% of people who try it, subscribe for the safety, style and convenience

How often are Spongemail kitchen sponges delivered?

Depending on your hygiene preferences you can have 8 or 12 of the finest kitchen sponges delivered every 3 months. Most experts recommend replacing your sponges every week for optimum hygiene and performance. Don't worry if you forget, when is the best time to replace your sponge, we will remind you via email and our unique fade to replace design shows you when the sponge is worn.

Are SpongeMail™ eco sponges really microplastic-free?

Absolutely! Our eco friendly kitchen sponges are 100% cellulose, plastic free and eco-friendly. Safe for your family and the envoronment. Our sponges are unique in that they are deliverd in paper and carboard. Their compressed state ensures even more efficient spipping and delivery methods further reducing our carbon footprint.

Why do fading designs matter?

Our unique designs, arent just to look amazing, they visually remind you when it is time to replace, preventing you from using a sponge that harbors a large amount of bacteria. See the chart above for the science.

Is the Subscription Flexible?

Yes! Pause or cancel anytime online. We are so confident that you will love SpongeMail that we put the power in your hands. Unlike most subscriptions these days, you don't need to call, email, or do a dance to unsubscribe. Convenience tailored for busy lifestyles. 

How do I use my SpongeMail™ eco sponge for the first time?

This where the magic happens! Gather any nearby friends or family(kids love this part) and throw your sponge into a bowl of water. When you record and share this part online please be sure to tag us! We love to see and hear the joy! Rinse and squeeze your eco-friendly dish sponge under running water for 12 seconds and you are good to go. Remember to store your other compressed sponges in a dry place until they are ready to be used. To keep your SpngeMail eco-sponge fresher, rinse after each use and squeeze out as much water as possible. You will see that your new plastic free spongemail sponge will dry faster than any other kitchen sponge you have used.

What are the best ways to keep the bacterial counts lower and my eco friendly sponge lasting longer

Our Sponges have the best squeezability of all sponges. So you can easily squeeze out as much wster as you can after each use. This will ensure fast drying and delay bacterial growth according to the experts. 

I want to know more about your multiple product design awards

Our eco frinedly sponges recieved silver in the New York Product Design Awards, the London Design Awards, and The Muse Design Awards. Click the links to learn more about them.

Why do experts care so much about how frequently I replace my kitchen sponge?

Leading Research Reveals Why Regular Sponge Replacement Matters

Your kitchen sponge is a workhorse, but science shows it’s also a breeding ground for bacteria. Experts from Duke, NSF, ASM, and more recommend replacing sponges every 1-2 weeks for a cleaner, healthier home. Discover how SpongeMail’s eco-friendly subscription makes it easy for discerning people like you to stay hygienic and sustainable.

 

Duke University
A Duke University study found that kitchen sponges’ porous structure makes them ideal for diverse bacterial communities, outpacing lab petri dishes. Regular replacement every 1-2 weeks reduces health risks. SpongeMail’s subscription delivers fresh sponges to keep your kitchen safe and stylish.

 

American Society for Microbiology
Research from the University of Houston, presented at ASM Microbe Online, showed that harmful bacteria like E. coli and Salmonella can survive on sponges for up to 16 days. Frequent replacement is essential. SpongeMail’s bi-monthly deliveries ensure you always have a clean sponge ready.

 

National Sanitation Foundation
The NSF discovered that 77% of household sponges harbor coliform bacteria, signaling significant contamination. Regular replacement is key to hygiene. SpongeMail’s eco-conscious sponges, delivered on schedule, help maintain a pristine kitchen.

 

FEMS Microbiology Letters
A 2017 FEMS Microbiology Letters study revealed sponges can host up to 54 billion bacterial cells per cubic centimeter. Weekly or biweekly replacement minimizes risks. SpongeMail’s subscription simplifies staying on top of hygiene with fresh, eco-friendly sponges.

Studies cited apply to kitchen sponges generally. SpongeMail™ is designed to support expert-recommended frequent replacement.

 

Ready to ditch the gross sponges forever? 
Claim your FREE trial now! 
Limited time: Act before spots vanish!

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Limited Edition and Simply Beautiful

A Sponge's Best Quality Is Also It's Greatest Flaw

All sponges trap food and breed bacteria—only regular replacement stops the spread.

Sponges’ pores make them perfect for cleaning, but also perfect for harboring dangerous bacteria. Food residue lodges deep inside, feeding germs that thrive for up to 16 days. Studies show sponges can host more bacteria than a toilet seat!

 

Microwaving or dishwashing? They don’t work. Research from the University of Arizona (2022) found that microwaving reduces only 60% of bacteria, leaving deep-seated germs untouched. Dishwashers fare worse, with food residue fueling bacterial regrowth. (NSF International, 2024)

 

Experts agree: Replace sponges every 1-2 weeks to keep your kitchen safe. SpongeMail’s fading designs and convenient subscription deliver fresh, microplastic-free eco sponges right when you need them—before bacteria take over.

Subscribe For Fresh Sponges Now!

Engineered For Hygiene, Designed to Delight

Exclusive Designs Released Monthly, Inspired by Nature, Americana, and Classic Postage Stamps.

Share your style!

  • 100% Plastic-free Cellulose. - Keeping Your Family and Environment Safe.

  • Fast Drying, Resisting Bacterial Build-up - Protecting Your Family and Friends

  • Fading Design Reminds You When to Replace - No More Foul Odors Emerging From Your Sponge

  • Limited-Edition Designs To Elevate Your Kitchen - Exclusive Prints to Make a Statement In Your Luxury Kitchen.

Discover Your Exclusive Designs Now!

Join the latest kitchen trend taking Chicagoland by storm!

Current Kitchen Sponges Have Some Serious Flaws

Bacterial Build-up

Foul Odors

Microplastics

SpongeMail™  eco friendly kitchen sponges are different. They are fast drying, plant based and 100% microplastic free, keeping your family, kitchen and environment safe.

Get SpongeMail™ Today

Why Choose SpongeMail™?

Limited Edition Nostalgic Designs - Subscribe Today Before They're Gone!

Feature

100% Microplastic-free

Convenient Delivery

Award Winning Designs

Fast Drying

Small, Local Business

SpongeMail™

Plastic free, eco-friendly

Convenient delivery, cancel anytime

Multi-Award winning, nostalgic designs

Fast drying and squeezable

Support Local Midwest Business

Generic Store-Bought Sponges

Contains Plastics and often wrapped in plastic

No delivery

Some unique shapes but no nostalgia

Slow drying and quick to smell terrible

Large corporations

Start Your SpongeMail Subscription Now

"SpongeMail has made it fun to check the mailbox again!" Jen, Chicago, IL

How SpongeMail™ Keeps Your Kitchen Stunning and Germ Free

Join America's eco-revolution with our simple, hassle-free subscription!

Step 1

Add to Cart and Check Out

Click Add To Cart Now. It’s quick and easy! Choose our 4-Pack Heritage Seasonal for maximum hygiene and free shipping.

Step 2

Recieve via USPS Every 3 Months

Your limited-edition eco-friendly sponges arrive in your Mailbox via USPS.

Step 3

Just Add Water and Watch The Magic

Wet your sponge and clean with style. Most People love to video and share this step with their friends and family.

Step 4

Replace Regularly

Every 1-2 weeks. Our Fade-to-replace designs will help you know when your sponge is worn out  and we’ll email reminders!

Step 5

Next Delivery Arrives Every 3 Months

Fresh sponges arrive via USPS, right on time when you need them.

Step 6

Share the Joy and Refer Friends

Refer your friends and suggest what designs you would like featured on #SpongeMail!

Eco friendly kitchen sponge spongemail USA design expanding in water

Brighten Your Kitchen with Spongemail’s Stunning, Nostalgic Designs

Ditch those dull, microplastic-ridden sponges! 

Spongemail’s vibrant, retro-inspired patterns bring joy and beauty to your home. Loved by many for their charm and eco-friendly, award winning design.

get your award winning sponges now!

Find Your Perfect SpongeMail™ Plan.

Choose eco-friendly sponges that keep your kitchen stunning! Compare our plans below—Classic Plain is sold out, so grab Heritage Seasonal before September 25 to get yours this month. Don’t wait another month for a germ-free kitchen!

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Finishing & Functionality

Crafted with precision, SpongeMail’s 100% microplastic-free cellulose is durable yet soft, ensuring superior absorbency and ease of use. Its enhanced squeezability allows rapid drying, reducing bacterial growth compared to conventional sponges’ cavernous structure. The fading graphics ensure timely replacement, while the compact form optimizes storage. Safe and plastic-free, it delivers reliable performance for household cleaning.

Don’t Let Germs Ruin Your  Kitchen!

Subscribe now for a safer, stunning kitchen with SpongeMail®.

 

Join America’s eco-revolution with fresh, microplastic-free sponges delivered on time.

 

Limited-edition designs are going fast—act now!

Subscribe Now!

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What To Do Once I Recieve My SpongeMail® Eco Friendly Kitchen Sponges?

Just Add Water And Watch The Magic 

Wet your eco friendly sponge either in a bowl of water to enjoy the show or simply under running water.

Rinse your sponge under running water for 12 seconds.

Enjoy the way your kitchen looks, feels and smells with your fresh, stunning SpongeMail® sponge.

After 1-2 weeks throw out or compost your used SpongeMail® eco sponge and start again. 

Tell all your friends, family and neighbors about SpongeMail® plastic free sponges.

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© 2025 Underdog Kitchen Company

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