single size mattress
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Boxed or compressed foam mattresses in these results typically take about 72 hours after unboxing to fully expand or regain their original shape.
Care instructions vary by listing: some specify spot-clean or wipe-clean only, others include removable, machine-washable covers, and a few listings do not provide care details.
Most single/twin items list 39" × 75". Some narrower folding single options are 25" × 75", and other non-twin items in the results appear at wider widths such as 54" × 75".
Many air mattresses pack down and include a carry bag; some models list packed dimensions (for example, 12" × 9" × 17"). Folding memory foam mattresses are compressed and shipped rolled or folded for easier transport and expand at home.
Support and motion‑control features include reinforced edge support, zoned or encased pocket coils for targeted support, independent spring/quiet coil systems to reduce motion transfer, internal high‑strength support fibers in some air designs, and a semi‑waveless waterbed option that reports roughly 60% motion reduction.