California King Size Mid Fill Reduced Motion Mattress with Liner & Fill/Drain Kit - Premium Waterbed for Couples, Back Pain Relief, Motion Isolation - Perfect for Master Bedrooms & Guest Rooms

replacement waterbed mattress bladder will fit inside a 6" mid fill softside waterbed mattress. You can control your level of firmness by adding more or less water. Polyester fiber layers provide stability and reduce motion.

2 layers of polyester fiber provide stability and contouring support

Fits 6" mid fill slant wall foam tub

4 point tethering system

10 year(2 full/8 prorated) warranty