Most college dorm beds are size Twin XL (extra long). Twin XL beds are generally the same width as a twin bed, but 5 inches longer. These twin comforters are 90 inches long so they will work with a twin XL bed and they have matching Twin XL sheet sets and Twin XL bed skirts available separately. Caribbean Coolers Bedding features a tie-dye watercolor design is available in nine bright colors that can be mixed and matched to create a unique bedding ensemble.