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SwissLux 'I-Flex' Twin-size Foundation + Frame Mattress Support System

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Today: $159.99
MSRP: $249.99 $90.00 (36%) off
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    SwissLux 'I-Flex' Twin-size Foundation + Frame Mattress Support System
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    Use this sophisticated I-flex twin-size foundation and frame to replace the conventional box spring foundation. The revolutionary design gives you plenty of open space to store items under the bed, and the height can be adjusted to allow more room.


    ITEM#: 15566517

    I-flex is a breakthrough frame designed for replacing outdated box springs and mattress foundation. This strong, space-saving bed support system replaces a conventional box spring and frame. The I-Flex offers inches of heightened, extra under-bed storage.

    • Size: Twin
    • All-steel construction supports up to 2,000 pounds
    • Adjustable Height: Approximately 14 inches (adjustable)
    • Materials: All Steel
    • Support Legs: Six (6)
    • No Tools Required
    • Designed to replace your existing box spring/foundation and frame
    • Provides increased storage space under your bed and is height adjustable
    • Foundation/frame is height adjustable
    • Replaces both your frame and box spring
    • Foundation frame dimensions: 12-14 inches high x 38.5 inches wide x 75.5 inches long
    • Six (6) adjustable legs with leveling feet
    • Two (2) headboard/footboard adapter plates with hardware
    • Bonus luxury circular knit mini skirt
    • Assembly instructions included

    Assembly Required


    Dimensions 39 x 75 x 14
    Manufacturer Warranty 20 year Limited Manufacturer
    Materials 100-percent Steel
    Model Number 96036
    Mattress Type Foundation Only
    Thickness 14 Inch
    Antimicrobial Yes
    Recommended Foundation Type Adjustable Box Spring

    Customer Reviews

    5 Stars
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    1 Stars
    • My daughter absolutely loves it.

      This is exactly what I was looking for in a foundation. It is sturdy and reliable. Awesome.

      Read More

    Questions & Answers

    Get your product questions answered right here.
    • can this be used as a trundle ? It says adjustable height. Can it go under a twin bed?

      Have an Answer? Be the first to answer this question!
    • Can you attach a head board to this frame?

      • Hello shelly912, This support system is the perfect addition to your home! Yes, you can attach a headboard. This comes with two headboard/footboard adapter plates with hardware. I hope this information helps. Thanks for shopping with us.

    • The description says " Swiss Lux 'I-Flex' Twin-size Foundation + Frame Mattress Support System". does it have include a mattress or not and what exactly is a " foundation + frame mattress support. Also, what is the covering over the frame?

      • Hello zeldamay, thank you for your inquiry! The foundation does not include a mattress. The foundation is a steel frame to place the mattress on. It is designed as a platform to support your mattress. There is no box spring needed when using the frame. The foundation does include a skirt to cover the frame. I hope this helps. Happy shopping!

    • i dont see a frame mattress in the picture? it looks like just a covering. i want to buy a foam mattress and want something to put it on. would this work? thanks, gale

      • Hello graban, Thank you for inquiring about the Swiss Lux 'I-Flex' Twin-size Foundation + Frame Mattress Support System. Yes you can use a memory foam mattress on this. Thank you for shopping with us.

    • Is this just the frame and foundation? The description says "Use this sophisticated I-flex twin-size mattress to replace the conventional mattress and box spring foundation." I have a fairly new mattress I purchased from you.

      • Hello specialvolunteer1, Yes it is just the frame and foundation that comes with the Swiss Lux 'I-Flex' Twin-size Foundation + Frame Mattress Support System. Please feel free to contact us again with any further questions. Thank you for shopping with us!

    • Are all mattresses made go on that type of frame. We bought our mattresses at IKEA.

      • Hello heidi1677, we appreciate your inquiry. It will fit most standard mattresses. We hope you have found this information helpful. Thank you for shopping with us. Have great day!

    • I am wondering if it is squeaky when someone sits on it. I'd like to find a frame that is sturdy and quiet.

      • Hi jastect, we were able to verify this information with our support team. This frame is not squeaky at all. There are no parts to it that would squeak. Thanks for shopping with us.

    Shopping Guides

    Shipping & Returns


    Usually leaves our warehouse in 1 business day. *

    Mattress Return Policy:

    Mattress Sets are non-returnable upon signature at delivery. Mattresses are non-returnable if opened or taken out of their plastic wrapping.
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    Shipping Information:

    Our standard shipping method is ground shipping. We also offer expedited shipping for most items. Your final shipping cost and estimated delivery timeframe will be available at checkout.
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    ** Most Oversize orders are delivered within 1-4 weeks. Some orders may take 6 weeks to be delivered.