A Serta twin extra-long mattress, measuring 39" by 80", is a perfect mattress for a tall single sleeper. Thanks to the extra length, you'll have the room to stretch out while you sleep. With a high-quality and comfortable twin extra-long mattress, you will rest easy. With over 85 years of experience and innovation is the mattress business, Serta works hard to provide the best sleep money can buy.
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Twin Extra Long