Twin Extra Long Mattresses are 38 X 80 inches. 2 Twin XL mattresses make up a king size mattress.
Twin Extra Long
Sort by:
Twin extra long cool gel memory foam mattress
$599.00 $1,399.00
Gel Memory foam twin mattress by Superpedic
$599.00 $1,399.00
Latex Hybrid Twin Extra Long Medium Firm
$1,999.00 $2,599.00