NYHAMN sleeper sofa, with foam mattress/Knisa gray/beige - IKEA
IKEA Futon Queen Mattress and Frame - furniture - by owner - sale - craigslist
Futon Mattresses - Sofa Bed Mattresses - IKEA
LYCKSELE LÖVÅS Mattress, 55 1/8x74" - IKEA
Amazon.com: The Polyester Flax Beddinge Lovas Sofa Bed Cover Replacement is Custom Made for IKEA Beddinge Sleeper, A Quality Futon Slipcover Replacement (White) : Home & Kitchen