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Mattress in a Box: Flash Furniture 12-Inch Medium-Firm Spring (Twin, Full, Queen, King)

Mattress in a Box: Flash Furniture 12-Inch Medium-Firm Spring (Twin, Full, Queen, King)

HSA/FSA Accepted
Regular price $290.00
Regular price Sale price $290.00
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Adaptive Foam Comfort: The high-density foam layer contours to the body, providing support where it’s needed most. It helps relieve pressure points for a comfortable night’s sleep in any position.

Pocket Spring Support: Individually wrapped pocket springs reduce motion transfer and provide responsive support. This ensures that movement from a partner doesn’t disturb your rest.

Breathable Quilted Cover: The knitted, quilted tight-top cover promotes airflow, keeping the mattress cool. It enhances comfort while helping maintain a fresh sleeping surface throughout the night.

Durable and Safe Materials: Made with CertiPUR-US certified foam, the mattress is both long-lasting and environmentally responsible. It provides reliable support and maintains its shape over time.

Ideal for All Sleepers: Whether you sleep on your back, side, or stomach, the mattress adapts to your shape. It offers balanced support and comfort for a restful, uninterrupted sleep experience.

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Hybrid Comfort for Restful Sleep

This hybrid mattress combines high-density foam with pocket spring technology for personalised comfort. Motion is minimised, airflow is maximised, and the CertiPUR-US foam ensures durability, creating a supportive and refreshing sleep experience for every night.

Close-up image of Mattress in a Box: Flash Furniture 12-Inch Medium-Firm Spring (Twin, Full, Queen, King)

High-Density Foam Support

Made with CertiPUR-US certified foam, the mattress is durable, safe, and environmentally friendly. It balances long-lasting comfort with reliable support, making it ideal for all types of sleepers—back, side, or stomach.

Close-up image of Mattress in a Box: Flash Furniture 12-Inch Medium-Firm Spring (Twin, Full, Queen, King)

Motion-Reducing Pocket Springs

Pocket spring coils provide firm yet responsive support, while reducing motion transfer between sleepers. Combined with high-density foam, the mattress adapts to your body’s contours for evenly distributed support.

Close-up image of Mattress in a Box: Flash Furniture 12-Inch Medium-Firm Spring (Twin, Full, Queen, King)

Breathable Quilted Cover

The mattress comes with a breathable, knitted, quilted tight-top cover that improves airflow. This helps keep the sleeping surface cool and comfortable throughout the night, ensuring better rest and overall comfort.

Flash Furniture is a U.S.–based manufacturer and supplier of a wide array of commercial and home furniture—chairs, stools, tables, desks, and seating solutions.

Known for combining affordability with style and practicality, Flash Furniture products are used in offices, schools, hospitality, and residential settings

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Our White Glove Service goes beyond delivery—we take care of everything, so you don’t have to. From scheduled delivery to in-home setup and personalized guidance, we make sure your equipment is ready to use, giving you peace of mind from day one.

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Mattress in a Box: Flash Furniture 12-Inch Medium-Firm Spring (Twin, Full, Queen, King)
 

“This mattress feels perfectly balanced between support and comfort. The springs reduce motion, so my partner doesn’t disturb me at night. It also stays cool and breathable, making for a great night’s sleep.”

Anna M.

Choose based on room size and personal sleeping needs. A twin works for one person or small spaces, while queen or king sizes are ideal for couples or more stretch. Always measure your bedroom and bed frame before buying to ensure proper fit.

Memory foam offers pressure relief and motion isolation; innerspring provides bounce and breathability; latex is durable and naturally hypoallergenic. If you’re sensitive to chemicals or off-gassing, look for CertiPUR-US or GOTS/GOLS-certified models.

Most quality mattresses are designed to perform well for 8–10 years. Signs of need for replacement include sagging, persistent discomfort, allergies, or disrupted sleep. Regular rotation (every 3–6 months) can help extend lifespan.

Mattress warranties typically cover manufacturing defects (e.g., sagging, broken coils) but not comfort objections or minor wear. Installing a mattress protector is wise since stains often void warranties. Consider adding a protection plan for coverage beyond the standard period.