If you sometimes sleep in sofa and get bitten off by bedbugs, you need our Dual Layer Sofa Protector

First layer is made of multi colour, durable polyester with nano ion Si inside edge. It can wrap the whole sofa to form a killing zone where all the bed bugs hiding inside sofa will be contaminated by the element ion silicon so that exoskeleton wax of bugs will be damaged and bug will die of lost humidity  balance.

Second layer is decorative protector with stretch and elastic material. It can help the first layer and your sofa work long time.