Skip to product information
1 of 8

LuckyMattressOnlylucky

Onlylucky California King Mattress 12 Inch, Medium Firm Cal King Mattress in a Box, 7-Zones Individual Pocket Springs, Extra Hip/Shoulder/Lumbar Support, Fiberglass-Free, 365-Night Trial, CertiPUR-US

Onlylucky California King Mattress 12 Inch, Medium Firm Cal King Mattress in a Box, 7-Zones Individual Pocket Springs, Extra Hip/Shoulder/Lumbar Support, Fiberglass-Free, 365-Night Trial, CertiPUR-US

Regular price $599.99 USD
Regular price Sale price $599.99 USD
Sale Sold out
Shipping calculated at checkout.
Quantity

About This

  • 【Pain Relief & Spine Alignment】Onlylucky california king mattress features multi-layer memory foam and reinforced individual pocket springs for comfort and targeted support. The ergonomic 7-zone support system evenly distributes body weight, relieves pressure points and improves spinal alignment, offering softer cushioning at shoulders/hips while enhancing lumbar support to fully fit your body curves. Suitable for all sleeping positions, it helps reduce back pain for luxurious sleep.
  • 【Stay Cool & Comfort Sleep】Featuring a Euro Top design for enhanced comfort, Onlylucky cal king mattress combines breathability with advanced cooling technology for optimal temperature regulation. It uses skin-friendly and breathable fabric that is fiberglass-free, effectively boosts breathability by 30%. The gel memory foam helps you stay cool and dry all night. The individual pocket spring system and egg crate foam layer improve air circulation delivers a comfortable sleeping experience.
  • 【Upgraded Enhanced Edge Support】Onlylucky mattress california king is reinforced with 2.1–2.3mm perimeter coils and high-density support foam on the sides to prevent sagging. It effectively prevents body roll and expands sleep space, reduces the risk of edge roll during nighttime 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.
  • 【Motion Isolation & Quiet Sleep】Onlylucky california king hybrid mattress features hundreds of premium quiet individual pocket springs and slow rebound memory foam, effectively absorbing noise and vibration caused by turning over during sleep, minimizing motion transfer to your partner and allowing you to enjoy deep sleep without being disturbed, making it ideal for light sleepers.
  • 【CertiPUR-US Safety & 365-Night Trial】Onlylucky california king mattress in a box comes vacuum-sealed for easy transportation. Designed to fit most standard bed frames, it features convenient side handles for easy mobility and position adjustment. Onlylucky cali king mattress is CertiPUR-US certified, and we offer a 365-night trial and 24-hour customer assistance. For optimal comfort, please allow 24 to 72 hours for the mattress to fully expand.

Overview

  • Brand : Onlylucky
  • Size : California King
  • Product Dimensions : 84"L x 72"W x 12"Th
  • Item Weight : 86 Pounds
  • 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 : 900 Pounds
View full details

Customers are saying

4.7 ★ (127 reviews) · Verified Buyer
  • ⭐⭐⭐⭐⭐
    The sofa looks amazing in my living room. The fabric feels high quality and it’s more comfortable than I expected. Definitely worth the price.

    James R.

    ⭐⭐⭐⭐⭐
    Very sturdy and easy to assemble. The wood finish looks natural and fits perfectly with my other furniture.

    Emily K.

    ⭐⭐⭐⭐☆
    Solid frame and no noise at all when sleeping. Took a bit of time to assemble but overall very satisfied.

    Michael T.

    ⭐⭐⭐⭐⭐
    Super comfortable. I’ve been sleeping much better since I got this. It’s firm but still soft enough.

    Sarah L.

  • ⭐⭐⭐⭐⭐
    Simple design and gives off a nice warm light. Perfect for evening atmosphere.

    Daniel W.

    ⭐⭐⭐⭐⭐
    The table and chairs are very well made. Looks even better in person and feels durable.

    Olivia M.

    ⭐⭐⭐⭐⭐
    Comfortable and stylish. I use it daily and it hasn’t shown any signs of wear.

    Chris J.

    ⭐⭐⭐⭐☆
    Spacious and practical. Took some effort to build but worth it.

    Brian K.

  • ⭐⭐⭐⭐⭐
    Plenty of storage space and looks clean. Helped organize my room a lot.

    Anna P.

    ⭐⭐⭐⭐⭐
    Compact but functional. The drawer slides smoothly and feels solid.

    David S.

    ⭐⭐⭐⭐☆
    Bright and modern. Installation was easy and it lights up the whole room nicely.

    Jessica H.

    ⭐⭐⭐⭐⭐
    Soft and comfortable underfoot. The color matches the pictures well.

    Ashley W.

Frequently Asked Questions

Orders are typically processed within 3–5 business days. Delivery usually takes 3–12 business days depending on your location.

Yes, we offer a 30-day return policy. Items must be unused, in original condition, and include original packaging.

Once your order has been shipped, you will receive a tracking number via email.

Please inspect your order upon arrival and contact us immediately if there is any issue. We will review the case and make it right.

Orders cannot be canceled once they have been processed. If you contact us before processing, cancellation may be possible.