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Why stop with just a mattress in a box?
The Cocoon by Sealy foundation is designed for quick assembly and lasting quality.
No tools necessary
Put together in three speedy steps.
Delivered to your door
Packaged with everything you need in one box to carry up stairs and around tight corners.
Quality Craftsmanship
Designed and assembled in the USA with spruce lumber and an upholstered finish.
A finished look in minutes
Specifically engineered to support your new Cocoon by Sealy mattress for a complete sleep system
Foundation Specs
| Size | Length | Width | Height | Weight |
| Twin | 74" | 37.5" | 7.25" | 45lbs |
| Twin XL | 79" | 37.5" | 7.25" | 49lbs |
| Full | 74" | 52.5" | 7.25" | 55lbs |
| Queen | 79" | 59.5" | 7.25" | 60lbs |
| King | 79" | 75.5" | 7.25" | 76lbs |
| Cal King | 83" | 71" | 7.25" | 68lbs |
Additional Details
Designed and assembled in the USA.
Made with spruce lumber and a gray fabric finish over the slats and outer rails.
2 upholstered end rails
2 upholstered side rails
1 center support for Twin-Queen, 2 for King
4 Fast-Loc pins
2 slat packs (6 per pack)
Ships via UPS ground, along with your mattress, from our mattress manufacturer in Mississippi.
Free shipping and returns in the USA
| Twin | Twin XL | Full |
|---|---|---|
|
76.5" x 10.5" x 14.5" 54lbs |
76.5" x 10.5" x 14.5" 58lbs |
76.5" x 10.5" x 14.5" 64lbs |
| Queen | King | Cal King |
|---|---|---|
|
76.5" x 10.5" x 14.5" 69lbs |
76.5" x 10.5" x 14.5" 85lbs |
78.5" x 10.5" x 14.5" 78lbs |
5-year limited warranty
FREE SHIPPING · HASSLE FREE RETURNS · 5 YEAR WARRANTY
Our Hassle Free Promise
We want to make sure you're getting the best sleep of your life. If you don't love your foundation after 100 nights, you're covered by our hassle free promise. We'll refund you, pick it up, and donate it to charity.
Elise Joseph
Creative Consultant
Nashville, TN
This bed changed the way we sleep. It’s supportive for both of us but also just cozy. You sink in just the right amount. And it’s quiet—we don’t disrupt each other if we move or get up. We love our Cocoon. It’s been perfect for us.
It was crazy getting the Cocoon, especially because as you unpack it, you quickly realize it’s such a substantial and high-quality mattress. We were a little blown away.
Getting married to (my husband) Dan, and moving into a new place, it’s been really fun to bring our things together. Our bedroom has a little bit of both of us. Every piece in the bedroom has a story. And there’s nothing like a cozy bed to get into at the end of the day.
Levi Maestro
Videographer and TV/Web Creator
Los Angeles, CA
For me, it’s really important to have a choice because it can be very hard to find the right mattress. I chose ‘firm’ because I think it’s better for my back and allows me to stay still at night. It’s dense. When I first got it, it just felt well made.
I guess when you’re making something for over 100 years, you figure out how to make it right.
I’m very much a minimalist, so when it comes to the place that I lay my head, I like to keep it as simple as possible. The bed and a sleep schedule are the most important things for me. But the art, photos, paintings that I keep around are reminders of how important it is to constantly be creating.
Hannah Crowell
Interior Designer, Crowell + Co. Interiors
Nashville, TN
I’m a very aesthetic person, so when we got our Cocoon I immediately noticed the clean lines and beautiful design. I love the stitching. It’s the first time in my life I’ve thought ‘oh my God, this mattress is beautiful .’ But it’s also just amazingly comfortable.
I LOVE our bed. My life is so busy and scheduled—I’m running around all day long. My bed is my favorite place on the planet because it’s the one place where I can be peaceful and calm.
Nothing makes me happier than curling up in my bed and reading a book. But it’s also where we spend lazy Sundays when we have a family ‘cuddle puddle’—in pajamas all day, watching movies and just being together. That’s my favorite thing!
Matt & Carrie Eddmenson
Founders of imogene + willie
Los Angeles, CA
Our first impression was 'how can something of this quality come in a box?' But they've mastered it. They’ve figured it out. Getting the bed was just as momentous as sleeping on it. You open it up, and it’s almost shocking. It’s top of the line. It’s super comfortable.
Anyone can put a mattress in a box. But Sealy knows how to make a mattress, whether it comes to you in a box or not. We loved our old mattress, and we consider ourselves “mattress connoisseurs.” I’m telling you, Cocoon is a really, really good bed.
Matt coined our bed the “clubhouse of comfort.” We spend a lot of time in our bedroom—I think more time than most It’s age old…your bedroom is your room. It’s a safe place, a place to be yourself. For us, it’s a hodgepodge collective of all the things we’re in love with.
Why pay more for less somewhere else?
Cocoon by Sealy
Thousands of 5-Star Reviews
