Leil Saunas
Leil Black Cube Classic 4 Person Outdoor Sauna Kit – Modern Outdoor Wood Sauna Cabin
Leil Saunas Black Cube Classic 4–5 Person Outdoor Sauna Kit
Modern Design | Outdoor Kit | Thermowood & Alder Finish
Minimalist Design. Maximum Presence.
Bold, sophisticated, and unapologetically modern, the Black Cube Premium Sauna is more than a wellness space — it is a sculptural statement for your backyard.
With its sleek all-black Thermowood exterior, sharp clean lines, and smoked tempered glass, this sauna represents true contemporary outdoor luxury without compromise.
Designed specifically for outdoor environments where aesthetics matter as much as performance, the Black Cube integrates seamlessly into compact yards and patios while comfortably accommodating up to four adults inside.
The interior features natural wood finishes, layered alder benches, and dimmable LED lighting, creating a calming atmosphere that soothes both body and mind.
Build It. Enjoy It. Make It Yours.
This sauna kit is designed for self-assembly, making premium wellness more accessible without sacrificing quality.
With detailed instructions included, you or your builder can have it fully installed and operational within just a few days. Every component is precisely engineered for a seamless fit, ensuring a clean and professional final finish.
Crafted for Comfort. Designed to Impress.
The Black Cube Premium Sauna combines intelligent engineering with timeless natural materials:
- Thermowood exterior and roof for excellent insulation and durability
- 2-level alder benches for sitting or lying in complete comfort
- Tempered black glass windows and door for a private, moody interior
- Dimmable LED mood lighting to create the perfect ambiance
- Full-circle arches and square shingle roof combining minimalism with subtle architectural detail
Despite its compact footprint, the sauna feels spacious. The interior volume of 201.7 cu ft (5.71 m³) provides enough room to fully stretch out and relax.
Features
- Fits up to 4 people
- Thermowood walls and roof (1.6” thick / 40mm)
- Square shingle roof with full-circle arches
- Black tempered glass door and front panel (0.31” / 8mm thick)
- 2-level alder benches with 1–2 backrests included
- Dimmable LED lighting system
- Plastic NeroStep floor mat for safety and cleanliness
- 3–4 ventilation openings for proper airflow
- Includes heat protective bedding for the stove
- Delivered as a flat-pack self-assembly kit with instructions
- Base frame painted black during assembly
Specifications
|
Specification |
Details |
|---|---|
|
Capacity |
4 people |
|
Outer Dimensions (W × D × H) |
85.8” × 65.4” × 87.4” (2.18 × 1.66 × 2.22 m) |
|
Inner Dimensions (W × D × H) |
78.7” × 54.3” × 82.7” (2.00 × 1.38 × 2.10 m) |
|
Sauna Volume |
201.7 cu ft (5.71 m³) |
|
Sauna Weight |
1,653 lbs (750 kg) |
|
Pallet Size |
47.2” H × 47.2” D × 83.5” L (1.2 × 1.2 × 2.12 m) |
|
Wall Thickness |
1.6” (40mm) |
|
Bench Material |
Alder |
|
Exterior Material |
Black Thermowood |
|
Front/Door Glass |
Tempered black glass (0.31” / 8mm) |
|
Lighting |
Dimmable LEDs |
|
Floor Mat |
NeroStep plastic grid |
|
Ventilation |
3–4 openings |
|
Roof |
Square shingle, black |
|
Moldings & Base Frame |
Pre-painted black |
What’s Included
-
Complete self-assembly sauna kit
- 2-level alder benches and 1–2 backrests
-
Tempered black glass door and front wall
- NeroStep plastic floor mat
- Pre-painted moldings and black base frame
- Detailed assembly instructions and video
Resources
Assembly Video
Learn how Infinity Saunas ships your sauna safely to your door. Find details on delivery times, freight shipping, and what to expect when your order
Leil Sauna Warranty Guide
Standard Warranty
Most Leil sauna models come with a 24-month (2-year) warranty covering manufacturing defects,
material defects, and structural/workmanship issues.
Installation Impact
- 24 months warranty if installed by authorized installer or official team
- 12 months warranty if self-installed or installed by a third-party contractor
What is NOT Covered
- Natural wood behavior (cracks, color changes, warping)
- Improper installation or misuse
- Normal wear and tear
- Weather damage (rain, wind, lightning, etc.)
- Unauthorized modifications
Important Note
Warranty terms may vary depending on the reseller and country. Some components like heaters
may have separate manufacturer warranties.
Leil Saunas Black Cube Classic 4–5 Person Outdoor Sauna Kit
Modern Design | Outdoor Kit | Thermowood & Alder Finish
Minimalist Design. Maximum Presence.
Bold, sophisticated, and unapologetically modern, the Black Cube Premium Sauna is more than a wellness space — it is a sculptural statement for your backyard.
With its sleek all-black Thermowood exterior, sharp clean lines, and smoked tempered glass, this sauna represents true contemporary outdoor luxury without compromise.
Designed specifically for outdoor environments where aesthetics matter as much as performance, the Black Cube integrates seamlessly into compact yards and patios while comfortably accommodating up to four adults inside.
The interior features natural wood finishes, layered alder benches, and dimmable LED lighting, creating a calming atmosphere that soothes both body and mind.
Build It. Enjoy It. Make It Yours.
This sauna kit is designed for self-assembly, making premium wellness more accessible without sacrificing quality.
With detailed instructions included, you or your builder can have it fully installed and operational within just a few days. Every component is precisely engineered for a seamless fit, ensuring a clean and professional final finish.
Crafted for Comfort. Designed to Impress.
The Black Cube Premium Sauna combines intelligent engineering with timeless natural materials:
- Thermowood exterior and roof for excellent insulation and durability
- 2-level alder benches for sitting or lying in complete comfort
- Tempered black glass windows and door for a private, moody interior
- Dimmable LED mood lighting to create the perfect ambiance
- Full-circle arches and square shingle roof combining minimalism with subtle architectural detail
Despite its compact footprint, the sauna feels spacious. The interior volume of 201.7 cu ft (5.71 m³) provides enough room to fully stretch out and relax.
Features
- Fits up to 4 people
- Thermowood walls and roof (1.6” thick / 40mm)
- Square shingle roof with full-circle arches
- Black tempered glass door and front panel (0.31” / 8mm thick)
- 2-level alder benches with 1–2 backrests included
- Dimmable LED lighting system
- Plastic NeroStep floor mat for safety and cleanliness
- 3–4 ventilation openings for proper airflow
- Includes heat protective bedding for the stove
- Delivered as a flat-pack self-assembly kit with instructions
- Base frame painted black during assembly
Specifications
|
Specification |
Details |
|---|---|
|
Capacity |
4 people |
|
Outer Dimensions (W × D × H) |
85.8” × 65.4” × 87.4” (2.18 × 1.66 × 2.22 m) |
|
Inner Dimensions (W × D × H) |
78.7” × 54.3” × 82.7” (2.00 × 1.38 × 2.10 m) |
|
Sauna Volume |
201.7 cu ft (5.71 m³) |
|
Sauna Weight |
1,653 lbs (750 kg) |
|
Pallet Size |
47.2” H × 47.2” D × 83.5” L (1.2 × 1.2 × 2.12 m) |
|
Wall Thickness |
1.6” (40mm) |
|
Bench Material |
Alder |
|
Exterior Material |
Black Thermowood |
|
Front/Door Glass |
Tempered black glass (0.31” / 8mm) |
|
Lighting |
Dimmable LEDs |
|
Floor Mat |
NeroStep plastic grid |
|
Ventilation |
3–4 openings |
|
Roof |
Square shingle, black |
|
Moldings & Base Frame |
Pre-painted black |
What’s Included
-
Complete self-assembly sauna kit
- 2-level alder benches and 1–2 backrests
-
Tempered black glass door and front wall
- NeroStep plastic floor mat
- Pre-painted moldings and black base frame
- Detailed assembly instructions and video
Resources
Assembly Video
Learn how Infinity Saunas ships your sauna safely to your door. Find details on delivery times, freight shipping, and what to expect when your order
Leil Sauna Warranty Guide
Standard Warranty
Most Leil sauna models come with a 24-month (2-year) warranty covering manufacturing defects,
material defects, and structural/workmanship issues.
Installation Impact
- 24 months warranty if installed by authorized installer or official team
- 12 months warranty if self-installed or installed by a third-party contractor
What is NOT Covered
- Natural wood behavior (cracks, color changes, warping)
- Improper installation or misuse
- Normal wear and tear
- Weather damage (rain, wind, lightning, etc.)
- Unauthorized modifications
Important Note
Warranty terms may vary depending on the reseller and country. Some components like heaters
may have separate manufacturer warranties.
FAQ
Shipping
Orders are usually processed within 1 business day and delivered within 3–5 business days, depending on your location and the shipping carrier schedule. Large sauna units are shipped via freight delivery.
Your sauna will be delivered via curbside freight delivery. This means the carrier will deliver it to the nearest accessible point outside your home or building (such as your driveway or curb).
Other
Yes. Once your order ships, you will receive full tracking details so you can follow your delivery step by step.
Yes. All saunas include a manufacturer’s warranty that covers defects in materials and workmanship for a specific period, depending on the model.
Due to the size, handling, and special shipping requirements of sauna units, all sales are considered final. However, if your product arrives damaged or defective, we will arrange a replacement or resolution at no extra cost.
Orders can be canceled within 24 hours of purchase, as long as they have not yet been processed or shipped.
We accept all major credit cards and secure online payment methods to ensure a safe and smooth checkout experience.
Yes. Our support team is available to assist you after your purchase with setup guidance, delivery questions, and product support to ensure a smooth experience.
