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- Tight top bed mattress with individual spring coils
- Revolutionary rebound technology lets the mattress-in-a-box expand in minutes when unpacked
- Increased motion separation: springs provide undistributed rest
- Slumber 1 spring mattress is constructed to adjust individually to your weight and body shape
- Heavier gauge steel coil for durability and comfort with the Slumber 1 Mattress-in-a-Box
- Twin Dimensions: 75 x 39 x 8
- Full Dimensions:75 x 54 x 8
- Queen Dimensions: 80 x 60 x 8
- King Dimensions: 80 x 76 x 8
- Full, Queen and King sizes support a maximum weight of 500 lbs
- Twin size supports a maximum weight of 250 lbs
- Also available: Smart Base Steel Bed Frame in Twin/Full and Queen/King
- Beds sold separately. See our assortment of beds.
- Bed frames sold separately. See our assortment of bed frames.
- Great for platform beds. Requires foundation or box spring with standard bed frames.
- Foundations sold separately. See our assortment of foundations.
- 10 year limited warranty.
- See our assortment of Zinus products
Nothing beats the luxury and deep comfortable sleep you get from the Slumber 1 8-inch Mattress-in-a-Box. The individual coil springs in this mattress provide better motion separation even as you toss and turn, making for a more restful and refreshing night’s sleep, even if your partner is a restless sleeper. The mattress is designed to adjust to each individual’s weight and body shape for a truly personal sleep experience, night after night, and the heavy-gauge steel coils make for a sturdy and thoroughly comfortable place to rest. Available in Twin, Full, Queen and King. Bed and bed frame sold separately, this Slumber Mattress-In-a-Box has a 10-year limited warranty.