5 t, u9 x6 X! R+ S. z* [0 P 9 a8 ]( G/ X* F2 a5 a nAll seahorse mattress are foam. there is no any pocket coils. they can stay firm for many years. 5 Z, i- `2 h' H% y* @) |: t, p% a( W8 B P& b
Is there any difference between seahorse foam and sealy foam?