Lay out your water mattress inside your safety liner with the valve at the foot. If this is a pre-filled water mattress avoid the shifting of the baffling system by holding both the outer vinyl and the baffling system as you unfold it. Remove wrinkles at the bottom and center your water mattress in your frame.

If this is a pre-filled water mattress avoid the shifting of the baffling system by holding both the outer vinyl and the baffling system as you unfold it. Remove wrinkles at the bottom and center your water mattress in your frame.