They re called mattress encasements and yes they do work if you get the right kind of encasement and if it s properly installed.
Do mattress protectors work against bed bugs.
However mattress encasements won t prevent bugs from living elsewhere in your home.
If you ve experienced a bed bug infestation in the past a vinyl mattress cover will help you get rid of bed bugs.
Mattress covers trap bed bugs inside your mattress so they can t bite you.
In fact a vinyl mattress cover can help prevent bed bugs altogether.
Encasements are also flat so you can easily spot new bed bugs.
The product is made out of stretchable knitted polyester which is a fabric that brings a bed sheet like sensation to your sleep.
A properly designed encasement completely envelops and seals the mattress and box spring trapping bed bugs inside.
Eventually the trapped bugs starve and die.
It makes it much more difficult for bed bugs to survive killing them much more quickly.
The bed bugs are then unable to feed and will eventually starve.
Just be sure to buy the right type that has been made of the appropriate materials.