Onlylucky Luxury King Size Mattress 14 Inch, Hotel Collection Hybrid Mattress King Size Bed in a Box, Gel Memory Foam & 7-Zone Ergonomic Targeted Support Spring, Pressure &Pain Relief, 365-Night Trial
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90-day refund / replacement
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Color: Grey
Size: King (U.S. Standard)
Set name: 14'' Medium Firm
Features
- Luxury Hotel-Level Cool Sleeping ExperienceThe Onlylucky medium firm king size mattress boasts a deluxe elevated Euro-top and refined 4-layer build with premium memory foam and reinforced individual pocket springs. Covered with skin-friendly, fiberglass-free 3D knit fabric, it delivers cloud-like comfort for luxury hotel-level rest. Built-in gel memory foam keeps you cool all night, while pocket spring systems and egg crate foam layers lift airflow by 30% for breathable, cozy rest for hot sleepers.
- Pain Relief & Spine AlignmentOnlylucky king size mattress features multi-layer memory foam and reinforced responsive individual pocket springs for balance between comfort and stability. Its ergonomic 7-zone targeted support system evenly distributes body weight, fully fits to your body curves and optimizes spinal alignment, delivering soft cushioning for shoulders/hips while boosting lumbar support to ease pressure points. Suitable for all sleeping positions, it eases back and waist soreness.
- Superior Edge Support StructureOnlylucky king mattress 14 inch adopts 2.3mm perimeter edge springs and high-density support foam to reinforce the sides, maintain edge shape and avoid sagging. It effectively prevents body rolling, expands sleep space, reduces the risk of slipping off during bedtime movement and improves convenience when sitting, lying down, and getting in or out of bed. The upgraded edge design also protects the internal structure and extends the lifespan of the mattress.
- Effective Motion Isolation & Silent SleepOnlylucky king memory foam mattress is equipped with 1000+ premium silent individual pocket springs and slow rebound memory foam. It absorbs noise and cushions vibration caused by tossing and turning. Excellent motion isolation minimizes motion transfer and effectively prevents sleep disruption. You can sink into steady, undisturbed deep sleep effortlessly, making it an ideal choice for light sleepers to enjoy peaceful rest all night long.
- CertiPUR-US Safety & 365-Night TrialOnlylucky king mattress in a box comes vacuum-sealed for easy transportation. For optimal comfort, please allow 24 to 72 hours for the mattress to fully expand. It fits most standard bed frames and is suitable for bedrooms, guest rooms, hotels and dorms, equipped with practical side handles for easy movement and positioning. Onlylucky hybrid king mattress is CertiPUR-US certified, we offer a 365-night trial and 24-hour customer assistance.
Description
With years of sleep expertise, we prioritize comfort over cost. Built to global standards from user insights, our mattresses win global trust. Backed by years of expertise, we provide strict quality checks and 24/7 support for hassle-free buying and trials. Drawing on long-term industry know-how, we study varied sleep habits and keep refining mattresses to fit diverse home sleep demands.
Brand: Onlylucky
Size: King (U.S. Standard)
Product Dimensions: 80"L x 76"W x 14"Th
Item Firmness Description: Medium Firm
Top Style: Euro Top
Cover Material: Polycotton
Number of Layers: 8.0
Fill Material: Gel Memory Foam, High Density Foam, Memory Foam
Weight Limit: 1200 Pounds
Special Feature: Breathable, Fire Retardant, Low Motion Transfer, Pressure Relief, Temperature Regulating
Item Firmness Description: Medium Firm
Number of Layers: 8.0
Weight Capacity Maximum: 1200 Pounds
Additional Features: Breathable, Fire Retardant, Low Motion Transfer, Pressure Relief, Temperature Regulating
Mattress Coil Type: Pocketed Coil
Construction Type: Hybrid
Number of Mattress Coils: 1000
Size: King (U.S. Standard)
Item Dimensions L x W x Thickness: 80"L x 76"W x 14"Th
Item Thickness: 14 Inches
Item Dimensions: 80 x 76 x 14 inches
Item Depth: 14 inches
top-style: Euro Top
Color: Grey
Brand Name: Onlylucky
Product Benefits: Back Pain Relief, Improves Sleep, Posture Support, Pressure Relief, Reduces Toss & Turn
Model Number: OA-14K-HK-A
Manufacturer: Onlylucky
Set Name: 14'' Medium Firm
Unit Count: 1.0 Count
Cover Material: Polycotton
Fill Material: Gel Memory Foam, High Density Foam, Memory Foam
Mattress Comfort Layer Material: Gel Memory Foam, Memory foam
Material Type: 1000+ Individual Pocket Springs, Gel Foam, Memory Foam, Polycotton
Frequently asked questions
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View our full returns policy here.
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