1.normal damask cover
2.stand wear and tear
3.cheap
4.long lifetime
quilted cover fabric:normal damask fabric,440g/m
quilted cover foam:2cm(H),density25kg/m
3
non-woven
felt:550g/m
2
,1 layer
bonnel spring 10cm(H),wire gauge2.3mm
Insulator:Net32,noise-proof
felt:550g/m
2
,1 layer
bottom quilted cover foam:2cm(H),density25kg/m
3
bottom quilted cover fabric:normal damask fabric,440g/m
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