Bed Bug Mattress encasements come up often in bed bug advice, and it's worth understanding exactly what they do and why they matter.
How They Work
A proper bed bug encasement fully zips around the mattress, sealing it completely — trapping any bugs or eggs already inside where they can't feed and eventually die, while also blocking new ones from getting in.
What to Look For in a Good Encasement
- Full zip-around design, not just a fitted cover
- Bite-proof, tear-resistant fabric
- A snug, secure fit with no gaps
- Suitable sizing for your specific mattress
How Long to Use One For
Encasements are generally recommended for at least a year, roughly matching how long bed bugs can survive without feeding, to ensure anything trapped inside doesn't survive to escape.
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