1. terry waterbed cover 2. comfortable , good permeability. 3. all sizes made as your ... water filling depthWater Stabilizations: Freeflow, 20%, 40%, 60%, 80%, 100%Fiber filling: 400 or 450 gr/m2 thermal bonded fiberTethering: The ... foam railsWe can offer different covers, like Terry, Jersey, Tencel, Bamboo.Covers can washable in 60 degrees water