The mattress is Factory sealed, but the box is damaged.  King size

this is a 12 inch mattress, u need to come pick this item up.

BedStory King Mattress 12 Inch, Memory Foam Hybrid Mattress King Size, Pocket Spring Bed Mattress in a Box, Pressure Relief Hypoallergenic Supportive Mattress CertiPUR-US Certified 76x80 Inch

• Comfortable & Supportive - BedStory hybrid mattress uses gel memory foam as a cushioning layer, a top-of-the-line firm independent pocketed spring layer as a support layer, plus two additional layers of high-density foam to bring an excellent balance of comfort and support.
• Skin-Friendly & Durable - The surface and sides of the mattress are made of high-end knitted fabric, and the bottom is made of non-slip fabric. The mattress cover is comfortable and durable, ensuring a longer lifespan for the mattress.
• Pain Relief & Targeted Support - Each coil in the mattress is encased in a fabric pocket, allowing each innerspring to react independently to pressure. This design helps distribute body weight evenly, contouring to the shape of body and providing personalized support to different areas of your body.
• Mattress in a Box - This hybrid mattress arrives in a box for quick and easy setup. Simply unbox, unroll, and allow the mattress to expand to its full size within 3 days.
• Buy with Confidence - We are a manufacturer specializing in researching & manufacturing mattresses with 40 years of experience. If you are dissatisfied with the mattress, please feel free to contact us, we will make every effort to solve your problem.