The new mattress should be flipped back and forth, left and right, and the upside down in first six month.
And every three months, it should be flipped reverse.
The action can eliminate the bumpy on the mattresses, keep it flat and comfortable.
No.10-7, Sec. 1, Xin 5th Rd., Taishan Dist., New Taipei City 24342, Taiwan (R.O.C.)
No.16-9, Ln. 1, Xinxing Rd., Zhutian Township, Pingtung County 91144, Taiwan (R.O.C.)
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