Two elastic bands keep the Airsential firmly attached to the mattress.
Other SmartSleeve® mattress protectors:
SmartSleeve® fits perfectly around any mattress (and topper) thanks to its super-elastic sides. A tight fit is ensured thanks to the polyester elastic sewn into the sides.
A special lock system seals the mattress protector, fully protecting your mattress.
The SmartSleeve® pillow protector also easily fits between your pillow and pillowcase.