- Home Page /
- Home /
- Furniture /
- Bedroom Furniture /
- Box Springs & Bunkie Boards /
- King Box Springs /
- Mainstays 9 King High Profile Easy Assembly S...
0 ratings
Item #:
20433168
Mainstays 9 King High Profile Easy Assembly Smart Metal Box Spring
Item #:
20433168
HKD 867
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
0 ratings
Write a review
In stock
Imported from USA store
QTY:
Order now and get it around Tuesday, July 14
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
Set yourself up for a great night's sleep with the Mainstays 9 Smart Box Spring.
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Easy Assembly
Designed for quick setup, the Mainstays box spring features a smart assembly process that requires no tools, ensuring a hassle-free experience right out of the box.
High Profile Design
With a high-profile design, this box spring elevates your mattress, providing a comfortable height for easy access and enhanced aesthetic appeal for your bedroom.
Durable Construction
Built with sturdy metal for lasting support, this box spring is designed to enhance mattress longevity and reduce sagging, making it a reliable foundation for a restful night's sleep.
Product Details
| Box spring type | Standard Box Spring |
| Profile | High Profile |
| Material | Steel, Jacquard |
| Max load | 1200 lb |
| Features | Foldable |
| Assembly req | Y |
| Bed size | King |
| Brand | Mainstays |
| Dimensions | 79.00 x 75.50 x 9.00 in (200.7 x 191.8 x 22.9 cm) |
| Weight | 48.04 lb (21.79 kg) |
| Items included | Frame, Coverlet |
| Split box spring | N |
| Has written warranty | No |
Who Should Buy?
-
Easy Set-up
Ideal for those seeking a quick, hassle-free assembly for their king-sized bed without additional tools required.
-
Budget Shoppers
Great for customers looking for an affordable yet sturdy box spring option without sacrificing quality or support.
-
Space Savers
Perfect for individuals living in compact spaces who need a lightweight, easily movable foundation for their mattress.
-
Heavy Mattresses
Users with heavy or thick mattresses may find this box spring offers inadequate support and durability over time.
-
High-End Buyers
Not suited for customers seeking premium quality or luxurious materials in their foundation for maximum comfort.
-
Traditionalists
Individuals preferring traditional box springs made from wood may not appreciate the metal construction of this product.
Product Description
Mainstays 9 King High Profile Easy Assembly Smart Metal Box Spring
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
How easy is it to assemble the Mainstays Box Spring?
Answer: It sets up easily in seconds and requires no tools for assembly. -
Question:
What is the weight capacity of the King size?
Answer: The King size can support up to 1200 lbs. total weight capacity. -
Question:
Is it suitable for all types of mattresses?
Answer: Yes, it provides support for any innerspring, memory foam, or combination mattress.
Mainstays King Box Springs Editorial Review
No editorial reviews found
Customer Reviews & Ratings
1 customers ratings
-
5 Star
100%
-
4 Star
0%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Platform Trust & Buyer Confidence
S
Sam
Verified buyer
“Great product, good packing, the goods arrived quickly and well protected.”
6 Jun 2026 · via Trustpilot
RD
Roxy
Verified buyer
“Great products and services”
17 April 2026 · via Trustpilot
SB
Samuel
Verified buyer
“Good market place with decent prices”
8 October 2025 · via Trustpilot
G
Gram4eild
Verified buyer
“whatever you want you will get delivered at reasonable pricing. I am a regular customer.”
18 Mar 2025 · via Trustpilot
HT
Henry
Verified buyer
“I've had a wonderful experience shopping with UBUY Hong Kong. The customer service is outstanding, and my orders always arrive on time. Very satisfied with their services!”
2 Jun 2024 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
HKD 867
Order now and get it around Tuesday, July 14
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- Sets up easily in seconds with no tools required.
- Innovative folding design for convenient storage and transport.
- Ultra-sturdy steel construction supports up to 1200 lbs.
- Features a polyester jacquard cover to prevent mattress shifting.
- Available in multiple sizes: Twin, Twin XL, Full, Queen, King, and California King.
- Perfectly supports any innerspring, memory foam, or combination mattress.
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.