Mattresses | 9” Medium Pocket Coil Bed-in-a-Box Mattress, King Size, Snow White | Polyester Cover

Get the restful sleep you’ve been craving with this 9-inch Twin XL pocket coil mattress—ideal for dorms, guest rooms, or small spaces. The 1+ inch premium foam layer hugs pressure points (goodbye, sore shoulders!), while 7.1-inch pocket coils block motion transfer—so your partner’s tosses won’t jolt you awake. Reinforced edge support means no sagging when you sit up to read or climb out of bed, and the soft polyester knit cover feels like a warm hug against your skin. Best of all, it ships compressed in a box—unroll it, wait a few hours, and you’re ready to sleep (no heavy lifting required!). CertiPUR-US certified, it’s free of harmful chemicals for total peace of mind. Simple, comfortable, and built to last—this mattress checks all the boxes for easy, everyday sleep.