Dynamic CUBOID XL Cold Plunge Tub — 304 Nano-Coated Stainless Steel, 55" | Dynamic Cold Therapy by Golden Designs
The Dynamic CUBOID XL Cold Plunge Tub delivers a modern, sleek cold therapy solution with extra room for taller users. Built with 304 nano-coated stainless steel for maximum durability and corrosion resistance, this tub is designed for daily use.
The spacious design provides a comfortable immersion experience. It offers a substantial yet manageable cold therapy setup for your home or commercial space.
Compatible with DCT chiller systems for automated temperature control, the CUBOID XL is built for athletes, wellness centers, and anyone serious about cold therapy recovery.
Key Features
Specifications
| Extended 55" Length | Five extra inches over the CUBOID standard — ideal for users 5'10" to 6'4"+ who want genuine full-body submersion without bending knees or compromising position. |
| 304 Nano-Coated Stainless Steel Interior | Hydrophobic nano-coating repels minerals and biofilm for a surface that stays cleaner longer and cleans in seconds. |
| Stainless Steel Cabinet Exterior + Pacific Cedar Trim | Premium combination of industrial durability and natural warmth — equally at home in a modern wellness studio or a rustic outdoor retreat. |
| Generous Interior Volume | 55" L x 32.5" W x 31.5" H — the largest standard DCT CUBOID configuration for XL single-user immersion. |
| Pacific Cedar Entry Step | Matching cedar step included for safe, confident entry and exit from the taller tub profile. |
| Custom Locking Cover | XL-sized insulated cover with child-safety latches for water protection and temperature retention. |
| 3/4" Chiller-Ready Plumbing | Two 3-ft quick-connect hoses and 3 filters included, pre-plumbed for seamless DCT WiFi chiller connection. |
| Indoor/Covered Outdoor Rated | Stainless steel cabinet handles the elements when installed under appropriate cover. |
| 1-Year Manufacturer Warranty | Golden Designs quality assurance. |
| Warranty | Manufacturer 5-Year Warranty |
Shipping Policy
In stock cold plunges will ship from suppliers warehouse in 3-7 business days. Once shipped, transit typically takes 3-16 business days depending on your location. You will receive a tracking number via email as soon as it becomes available.
If you notice anything unusual with tracking, please contact us and we'll be happy to assist. Most freight carriers will reach out 24–48 hours prior to delivery to schedule a delivery appointment. Deliveries are typically made Monday–Friday with a 4-hour delivery window, and carriers will not deliver without confirming with you first.
Please note: Shipping timeframes are estimates and may vary due to weather, transit delays, or carrier availability.
R+L Carriers Exception:
If your shipment is handled by R+L Carriers, delivery may occur without a scheduled appointment. They typically provide a notification the morning of delivery via email and text.
Delivery Details
All shipments are palletized for protection
Delivered via 53-foot freight truck with a single driver
Curbside or driveway delivery only
The driver is responsible for unloading the pallet at the curb or driveway. They are not able to move the sauna inside the home.
Questions or Support
If you have any questions about delivery, assembly, or using your sauna, our team is here to help.
We appreciate your business and the opportunity to support your wellness journey.
Warranty
Manufacturer warranty: 1 Year. Covers defects in materials and workmanship under normal residential use.
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Dynamic CUBOID XL Cold Plunge Tub — 304 Nano-Coated Stainless Steel, 55" | Dynamic Cold Therapy by Golden Designs Review Summary
What people like
Pros
- Durable Construction: Built with high-quality 304 stainless steel and Pacific Cedar trim to withstand daily use and outdoor elements.
- Spacious Design: Offers generous dimensions that provide plenty of room to stretch out and submerge comfortably.
- Elegant Aesthetic: Features a sleek, modern, and high-end look suitable for any home or professional wellness space.
- Convenient Access: Includes a high-quality cedar step for safe and easy entry and exit, along with a secure child-safety cover.
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