4Sleep vs REM-Fit Sleep 300 vs Helix

4Sleep, REM-Fit Sleep 300 and Helix are included in the same product category. You can buy these options in numerous sizes from Twin to Cali King. During periodic maintenance, you can easily reverse these beds. These models fit adjustable bed bases perfectly. Quilted foam is also a unique design featured in these trending sleep surfaces. The delivery is quick and hassle-free. These bed-in-a-box mattresses are easy to handle and unpack.