petercool 发表于 2014-7-11 14:08 & n9 Z t, z ]0 Y8 u+ @这个不好,三层都是form,没有内置独立弹簧,也就是pocket coils,更不是bi-level的pocket coil了,时间长了 ...
9 E/ g9 Z, D! V+ C6 s 9 q1 i8 v# E) u& `8 {All seahorse mattress are foam. there is no any pocket coils. they can stay firm for many years.$ G: m+ ]3 _2 [* \; {0 r. |! M5 x
' T6 U# f3 u1 oIs there any difference between seahorse foam and sealy foam?