Measure the height of the frame's side walls where the mattress sits. Standard sofa bed mattresses are 4 to 4.5 inches thick .
Sofa Bed Mattress Sizes and Dimensions Guide buy sofa bed mattress replacement
Highly durable and breathable. It is naturally hypoallergenic and more responsive (bouncier) than memory foam. Mattress Insider offers customizable latex options for non-standard frames. Measure the height of the frame's side walls
A 2-inch memory foam topper can add a layer of luxury for a fraction of the cost, though it may need to be stored separately if it’s too thick for the sofa to close. Pro Tip: Look for at retailers like PlushBeds
Pro Tip: Look for at retailers like PlushBeds to help regulate temperature, as standard foam can sometimes "sleep hot".
Many retailers do not accept returns on mattresses once opened due to hygiene laws. Double-check your measurements to avoid a costly mistake. 4. Quick Fixes and Accessories