WHAT IS THE DIFFERENCE BETWEEN A TWIN AND TWIN XL MATTRESS?
A Twin mattress measures 39” W x 75” L and a Twin XL measures 39” W x 80” L. The Twin XL is 5” longer than a Twin. See the difference here! Have a (split) King adjustable base? Order two Twin XL mattresses. We recommend measuring your bed frame before placing your order. Shopping for a student? The majority of colleges have Twin XL mattresses in their dorms, though we recommend confirming with the campus before ordering.