Waterbed
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Waterbed King Dual Soft Side Mattress with Lumbar Support Liner and Fill&Drain Kit
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Waterbed King Dual Soft Side Mattress with Lumbar Support Liner and Fill&Drain Kit
Waterbed King Dual Soft Side Mattress with Lumbar Support Liner and Fill&Drain Kit
Item #: 31426151

Waterbed King Dual Soft Side Mattress with Lumbar Support Liner and Fill&Drain Kit

Item #: 31426151

IMP 503

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*All items will import from US

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Order now and get it around Wednesday, July 22
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What Stands Out

Dual Soft Side
Offers personalized comfort on both sides, allowing couples to adjust firmness levels independently for optimal sleep quality.
Lumbar Support Liner
Innovative lumbar support ensures proper spinal alignment, reducing back pain and enhancing overall comfort during sleep.
Fill & Drain Kit
Convenient fill and drain kit simplifies setup and maintenance, making it easy to adjust water levels for customized firmness without hassle.

Product Details

Find the perfect replacement waterbed mattress with lumbar support at Ubuy Isle of Man. Control firmness levels with the included fill&drain kit. Enjoy stability and reduced motion with polyester fiber layers. Get the extra support you need in the lumbar area.
  • Compatible with 6 mid fill softside waterbed mattresses
  • Adjustable firmness with fill&drain kit
  • Stable and motion-reducing 3 layers of polyester fiber
  • Additional lumbar support with 3 extra fiber layers
  • 4 point tethering system for stability
  • Provides targeted support where needed
Item Weight120 lbs (54.43 kg)

Who Should Buy?

Suitable For
  • Chronic Pain Sufferers

    Ideal for those with back pain, offering lumbar support and pressure relief to improve sleep quality.

  • Couples Sharing

    The dual design allows for personalized firmness levels, catering to different sleep preferences for partners.

  • Lovers of Comfort

    Perfect for individuals seeking a plush, soft sleeping surface with enhanced support features for a restful night.

Not Suitable For
  • Budget-Conscious Shoppers

    Higher price point may not suit those looking for more affordable mattress options without advanced features.

  • Frequent Movers

    Heavy and cumbersome design may pose challenges for individuals needing portable or easy-to-move bedding solutions.

  • Firm Mattress Seekers

    Users who prefer firm sleeping surfaces may find this soft-sided waterbed too plush and lacking adequate support.

Product Description

Waterbed King Dual Soft Side Mattress with Lumbar Support Liner and Fill&Drain Kit

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What are the key features of the Waterbed King Dual Soft Side Mattress?

    Answer: The Waterbed King Dual Soft Side Mattress offers a unique design that includes a lumbar support liner, ensuring optimal comfort and support for your back. Its soft side construction allows for easy adjustment to your personal comfort level, enabling you to customize the firmness. Additionally, it comes with a fill and drain kit, making setup and maintenance hassle-free. This mattress is ideal for those who appreciate the gentle support of waterbeds while seeking added back support.
  • Question: How does the lumbar support liner work in this mattress?

    Answer: The lumbar support liner is designed to provide additional firmness and support in the lower back area, alleviating common pressure points. This innovative feature helps to maintain proper spinal alignment while you sleep, making it particularly beneficial for those with back pain or discomfort. The liner's unique construction works harmoniously with the waterbed feature to enhance overall sleep quality alongside the soothing effects of water.
  • Question: Is the Waterbed King Dual mattress suitable for all sleeping positions?

    Answer: Yes, the Waterbed King Dual Soft Side Mattress accommodates various sleeping positions, thanks to its adjustable firmness. Whether you sleep on your back, side, or stomach, you can customize the water levels to achieve the desired support. This adaptability makes it suitable for couples with different preferences, as each partner can adjust their side independently, ensuring a restful night's sleep.
  • Question: What is the installation process for the Waterbed King Dual Soft Side Mattress?

    Answer: Installing the Waterbed King Dual Soft Side Mattress is straightforward, and the included fill and drain kit simplifies the process significantly. First, position the mattress within your waterbed frame. Next, connect the fill kit to a water source and fill the mattress to your desired level. After filling, use the drain kit for easy adjustments as needed. This process ensures you can get your mattress up and running in no time for a comfortable sleeping experience.
  • Question: Can the Waterbed King Dual mattress help with back pain?

    Answer: Absolutely! The lumbar support liner is specifically designed to assist in relieving back pain by providing enhanced support in the lower back region. This feature encourages proper spinal alignment and redistributes body weight evenly, reducing unnecessary pressure on sensitive areas. Many users have reported improved sleep quality and relief from chronic pain, making it an excellent choice for individuals seeking therapeutic benefits from their mattress.
  • Question: What maintenance does the Waterbed King Dual Soft Side Mattress require?

    Answer: Maintaining the Waterbed King Dual Soft Side Mattress is relatively simple. Regular checks of the water levels are essential to ensure proper firmness and support. Use the included fill and drain kit for adjustments. It's also important to inspect the mattress for leaks or punctures periodically. Keeping the bed cover clean and ensuring it fits snugly can enhance durability and hygiene, ensuring your waterbed continues to provide comfort for a long time.
  • Question: Is it possible to adjust the firmness of this mattress?

    Answer: Yes, the Waterbed King Dual Soft Side Mattress allows for personalized firmness adjustments by adding or removing water as needed. Users can tailor their comfort level based on their sleeping style and preferences. This feature is ideal for couples who might require different firmness levels on each side, ensuring both partners enjoy a comfortable sleep experience without compromising on support.
  • Question: What makes a soft side waterbed different from a traditional waterbed?

    Answer: A soft side waterbed, such as the Waterbed King Dual, provides a firmer feel compared to traditional hard-sided waterbeds. The soft side units utilize a padded rail instead of a hard frame, allowing for similar benefits of water support while being easier to get in and out of bed. This design merges the advantages of waterbed comfort with the accessibility and aesthetics of traditional mattresses, providing the best of both worlds.
  • Question: How does the fill and drain kit work?

    Answer: The fill and drain kit included with the Waterbed King Dual Soft Side Mattress facilitates hassle-free water adjustments. It typically consists of a hose and fitting that connects to your water source for filling the mattress. The drain feature allows for quick removal of water when adjustments are necessary. This convenient tool not only saves time but also makes it easier to maintain the desired water level for optimal comfort.
  • Question: Where can I buy the Waterbed King Dual Soft Side Mattress with Lumbar Support Liner and Fill&Drain Kit?

    Answer: You can purchase the Waterbed King Dual Soft Side Mattress with Lumbar Support Liner and Fill&Drain Kit on Ubuy, which provides a convenient online shopping experience tailored to meet your needs. Ubuy offers a user-friendly platform where you can easily find this mattress, ensuring you have access to all the essential details and support to make an informed purchase.

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“The product received very good packaging & safe…Thank You”

16 June 2026 · via Trustpilot
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“Accurate delivery timing given”

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“Not madly expensive like I thought, and much quicker than promised.”

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“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”

12 June 2026 · via Trustpilot
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  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

IMP 503

Order now and get it around Wednesday, July 22

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