5 zone barrel ?shaped pocket spring core system with specific elasticity.Made according to the patented SCHLARAFFIA insertion system with soft shoulder comfort zones.With reinforced core cover for permanent sleeping comfort.

• 五段式独立筒弹簧，极富弹性，SCHLARAFFIA自己研发的专利权---增强肩膀部位，柔软、舒适的嵌入型独立筒，能让人安稳入眠、甜睡。