The Art & Science Balmoral is an Australian spring mattress sold in four firmness options: Extra Firm, Firm Support, Balanced Comfort and Extra Comfort. Bedbuyer’s review describes a three-zone pocket-spring design, but the comfort materials and height differ by variant. Its firmness ratings are reviewer judgments, not standardized measurements, and CHOICE’s public listing does not show its expert score or detailed test results. The practical decision is to match the feel to your preferences, then confirm the exact variant, base compatibility, warranty and delivered price with the retailer.
What is the Art & Science Balmoral?
The Balmoral is an innerspring mattress in the Australian Art & Science collection. Bedbuyer reports it is sold through Sleeping Giant and James Lane; check current stock and delivery coverage with the retailer. CHOICE classifies the product in its public record as a spring mattress.
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Bedbuyer lists five sizes: king, queen, double, king single and single. The public CHOICE record is for a double listing, so its specifications should not automatically be treated as the specification for every size or comfort option.
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1Fix the driver behind crashes, sound loss and screen glitches2Clear out junk files and repair common Windows errors3Scan for outdated or missing drivers - takes under a minuteWhich firmness should you choose?
Bedbuyer’s reviewers rated the four options on a subjective 10-point firmness scale. The publisher says the scores reflect a majority vote in its review process, may differ from the company’s ratings and can vary with the bed base.
#1 Best Overall
- Read Before You Buy — No Video Output: These adapters support charging and USB 2.0 data transfer, but cannot transmit video signals. Except for standard USB webcams (which use USB data only), they are not compatible with HDMI/DisplayPort cables, video-capable USB-C hubs, or docking stations with video output.
- Convert USB-A Ports to USB-C: Designed to connect USB-C earphones, cables, flash drives, card readers, and other USB-C accessories to standard USB-A ports. Plug-and-play with no drivers or software required.
- Aluminum Alloy Housing: Built with a sturdy aluminum alloy shell that aids in heat dissipation and protects against daily wear and scratches. Designed to maintain a stable and secure connection.
- Compact & Travel-Friendly: The ultra-compact design allows the adapter to stay plugged into your device without blocking adjacent ports or adding bulk, reducing wear and tear on your original USB ports.
- 12-Month Warranty: Backed by a 12-month manufacturer warranty for peace of mind. Designed to meet strict quality control standards for reliable everyday performance.
| Option | Bedbuyer reviewer score | How the review characterizes it |
|---|---|---|
| Extra Firm | 9.5/10 | For people who prefer a very firm feel. |
| Firm Support | 8/10 | One of the two options Bedbuyer says will generally offer the best back support. |
| Balanced Comfort | 6/10 | One of the two options Bedbuyer says will generally offer the best back support. |
| Extra Comfort | 3.5/10 | More pressure relief; the review says it may suit side sleepers. |
These scores are useful for comparing the variants within Bedbuyer’s review, not for predicting exactly how a particular person will experience the mattress. Its comments about back support are the reviewer’s assessment, not a medical finding or a guarantee. Consider your preferred feel and sleeping position, and if possible try the specific variant on a similar base before buying.
What construction does the review report?
Bedbuyer describes a high-grade Tencel and biobase-fibre cover with ActiFresh knit fabric, a Euro pillow top, a three-zone pocket-spring system and a high-density foam perimeter. It says the quilt foam varies by firmness, with natural latex in Balanced Comfort and cooling gel memory foam in Extra Comfort. It also reports a Sanitized ActiFresh treatment for textile odour management and material protection; that description is not evidence of a clinical allergy or health benefit.
Rank #2
- 5-in-1 USB-C Hub: Experience comprehensive connectivity featuring a Power Delivery input, two USB-A 2.0 ports, a USB-A 3.0 port, and an HDMI port. (Note: The USB-C power delivery input port is only for connecting an external wall charger to power your laptop and cannot power peripheral devices.)
- 90W Pass-Through Charging: Achieve optimal charging with 90W pass-through power to your laptop, supported by a total input of 100W, with the hub reserving 10W for operational efficiency. (Note: Wall charger not included.)
- Quick Data Transfers: Accelerate your productivity with rapid data transfers using a high-speed 5Gbps USB 3.0 port and two 480Mbps USB 2.0 ports.
- 4K HDMI Display: Enhance your visual experience with a hub capable of delivering 4K resolution at 30Hz in both mirror and extend modes. Please note that this hub is compatible with MacBook (macOS 12 and newer), Windows 10 and 11, ChromeOS, and laptops equipped with DP Alt Mode and Power Delivery. Note: This device is not compatible with Linux.
- What You Get: Anker USB-C Hub (5-in-1, 4K HDMI), welcome guide, 18-month warranty, and our friendly customer service.
According to Bedbuyer, Extra Firm and Firm Support are 26 cm high, Balanced Comfort is 30 cm, and Extra Comfort is 31 cm. CHOICE’s public record for its tested double listing reports 28 cm thickness, 32 kg weight, 14 layers and 254 springs per square metre. The different figures come from different listings and descriptions; confirm the height and materials for the exact size and firmness you intend to order.
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What do the reviews establish—and what do they not?
Bedbuyer reports that its reviewers found the mattress responsive, with commendable motion isolation and edge support. It notes that assessments vary by firmness and user, and that performance can vary with the base. These are that publisher’s review findings, not a guarantee of an individual result.
Rank #3
- Sleek 7-in-1 USB-C Hub: Features an HDMI port, two USB-A 3.0 ports, and a USB-C data port, each providing 5Gbps transfer speeds. It also includes a USB-C PD input port for charging up to 100W and dual SD and TF card slots, all in a compact design.
- Flawless 4K@60Hz Video with HDMI: Delivers exceptional clarity and smoothness with its 4K@60Hz HDMI port, making it ideal for high-definition presentations and entertainment. (Note: Only the HDMI port supports video projection; the USB-C port is for data transfer only.)
- Double Up on Efficiency: The two USB-A 3.0 ports and a USB-C port support a fast 5Gbps data rate, significantly boosting your transfer speeds and improving productivity.
- Fast and Reliable 85W Charging: Offers high-capacity, speedy charging for laptops up to 85W, so you spend less time tethered to an outlet and more time being productive.
- What You Get: Anker USB-C Hub (7-in-1), welcome guide, 18-month warranty, and our friendly customer service.
CHOICE’s public product page lists specifications and a claimed firm feel, but its expert rating and detailed test results are member-only. The public record therefore does not establish a score, durability result, support result or recommendation. Its listed price of $1,699 and recorded price paid on sale or after bargaining of $799 are entries on that page, not current checkout quotes.
Sleepify published a first-person account of a king-size Balmoral after two weeks of use on June 19, 2025. That short, individual experience should not be treated as laboratory validation or generalized to other sizes and firmness options; its configuration and price comments may also have aged.
Rank #4
- Dual Converters, Infinite Potential：Includes 2× USB C male to USB A female adapters and 2× USB A male to USB C female adapters. Perfect for a wide range of uses—tablets with Bluetooth keyboards, expand USB ports on macbook, and more. Two different converters for all your daily needs
- Next-Level 10Gbps & 3A Charging: No more slow 480Mbps, this usb to usb c adapter has a transfer speed of up to 10Gbps, allowing you to do more transferring in less time. This usb adapter fits both USB A and USB C charger, supporting up to 3A fast charging
- Upgraded Exquisite Craftsmanship: With an aluminum alloy housing and metal connector, the usbc to usb adapter is extremely durable and sturdy. Rigorously tested to withstand more than 10,000 times of plugging and unplugging, ensuring long-lasting performance
- Broad Compatible: The usb c to usb adapter widely supports all USB C/ USB A devices like laptops, tablets, cellphones, car chargers, and phone chargers. Such as compatible with MacBook Pro/Air 2023/2022, Thunderbolt 4/3 Devices,Apple MagSafe Watch 9/8/7/SE/Ultra, iPad Pro 2022/2021, Samsung Galaxy S23/S20/S10, and iPhone 17/16/15 Pro. Plug and play
- Please Note: To reach 10Gbps speed, keep the cable under 3.3 ft. For USB A Male to USB C adapters, try flipping the USB C connector. USB C Male to USB A adapters support bidirectional 10Gbps transfer within 3.3 ft
Will the Balmoral work with your bed base?
Bedbuyer advises using a supportive base with flat panel slats or solid slats spaced no more than 8 cm apart. It cautions against flexible posture slats and adjustable electric bases, and warns that an unsupportive foundation may affect warranty coverage. Because compatibility and warranty terms can depend on the exact product and current conditions, confirm in writing with the retailer that your base is suitable for the selected variant before ordering.
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Quick Recap
Best Value
- 5-in-1 Connectivity: Equipped with a 4K HDMI port, a 5 Gbps USB-C data port, two 5 Gbps USB-A ports, and a USB C 100W PD-IN port. Note: The USB C 100W PD-IN port supports only charging and does not support data transfer devices such as headphones or speakers.
- Powerful Pass-Through Charging: Supports up to 85W pass-through charging so you can power up your laptop while you use the hub. Note: Pass-through charging requires a charger (not included). Note: To achieve full power for iPad, we recommend using a 45W wall charger.
- Transfer Files in Seconds: Move files to and from your laptop at speeds of up to 5 Gbps via the USB-C and USB-A data ports. Note: The USB C 5Gbps Data port does not support video output.
- HD Display: Connect to the HDMI port to stream or mirror content to an external monitor in resolutions of up to 4K@30Hz. Note: The USB-C ports do not support video output.
- What You Get: Anker 332 USB-C Hub (5-in-1), welcome guide, our worry-free 18-month warranty, and friendly customer service.
What should you check before you buy?
- Exact option and specification: Confirm the firmness, size, height and materials on the retailer’s listing or order confirmation.
- Base compatibility: Check your slat type and spacing, and whether the retailer or current warranty document permits your base.
- Warranty: Bedbuyer reports a 10-year warranty against faulty materials or workmanship. Read the current warranty document for coverage, exclusions and any foundation requirements.
- Total delivered cost: Bedbuyer says delivery availability and costs depend on location. Confirm stock, delivery charges, access requirements and the final total for your postcode.
- Trial or exchange terms: Ask what conditions apply to comfort exchanges or returns before purchase; do not assume a trial is included.
- Live price: Bedbuyer’s page was last updated August 20, 2026, and says prices and purchase details can change. Check the current price and any promotion for your chosen size rather than relying on an older listing.
Sources
- Bedbuyer’s Art & Science Balmoral review
- CHOICE’s Balmoral product record
- Sleepify’s king-size first-person account
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
