Custom Foam Mattress – 2″–12″ Thick, 300 lb Support
$79.99 on Amazon.com (as of October 13, 2026, 12:12 PM EST) View details ↗
Upgrade your sleep setup with **Coaseb’s custom high-density foam mattress**, designed for precision comfort and durability. Choose from **2″ to 12″ thickness**, **18″ to 80″ width**, and **up to 84″ length** to fit daybeds, RV beds, bunk frames, or furniture padding projects. The **medium-firm or firm feel** ensures targeted support, while an optional **gel memory foam add-on** enhances pressure relief for a tailored sleep experience.
The **machine-washable polyester cover** protects against spills and wear, making maintenance effortless. Built to last, this foam supports **up to 300 lbs**, ideal for heavy use in custom mattresses, RV applications, or furniture padding. Whether you’re replacing worn-out foam or crafting a bespoke sleeping solution, Coaseb’s high-density construction delivers **long-lasting comfort and structural integrity**—all made in the USA.
| Load Capacity | Up to 300 lbs |
|---|---|
| Thickness Options | 2″ to 12″ |
| Width Options | 18″ to 80″ |
| Length Options | Up to 84″ |
| Cover Material | Machine-washable polyester |
| Firmness Options | Medium Firm or Firm (with optional gel memory foam add-on) |






