petercool 发表于 2014-7-11 14:08 7 @8 v. `7 y, p X |0 S1 A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 ...
3 h* k! [1 C4 \& [ i9 }2 Q7 K, Q- v$ D( S5 F5 L3 k
All seahorse mattress are foam. there is no any pocket coils. they can stay firm for many years.8 _$ L8 x2 j. J- `) z
. m7 c. u$ U+ W; DIs there any difference between seahorse foam and sealy foam?