Amazon.com: MAX WOTU 8 Inch Folding Bed Couch, Fold Out Couch Sofa Bed Memory Foam Futon Mattress Comfortable Sofa, Floor Couch Lounge for Compact Living Space Bedroom Guest, Queen Size, Dark Grey :
Crib Mattress Sofa and Sectional - 2x4 Frame | Ana White
NYHAMN Sleeper sofa, With foam mattress/Skartofta black/light grey - IKEA
Mjkone Pull Out Sofa Bed, Sleeper Sofa Bed with Memory Foam Mattress, 2-in-1 Pull Out Couch Bed Suitable for Friends to Stay Temporarily, Loveseat Sleeper for Apartment/Small Spaces (Queen, LightGrey) - Walmart.com
Heyward Trifold Mattress, 4.5" Folding Sofa Bed & Tri Folding Mattress : Target
How To Convert A Mattress Into A Sofa (The Easy Way) - Sleepy Duckling