Very Thick Cushion is zipped to mechanism for users' convenience(Cushin staying with mechanism).
Operation for everyday.
196cm extra long in open and TV headrest for reading and watching TV.
Timber Frame interchangeable with most of 2-steps sofa sleeper mechanisms.
Mattress thickness can go to 5.5 to 7", typicallly designed for high end sofabed furniture.

Same container loading capacity with or without mattress.

In the market place, only thinner cushion can be attached to the mechanism like Italy sofabed, but this mechanism can take very thick cushion to meet very comfortable sitting requirement.