Sorbent Double Length Toilet Tissue always soft, always strong. With double the number of sheets on every roll, the Double Length toilet tissue is extra thick and noticeably soft, so not only do you change the rolls less often, you get more protection and comfort from every roll. Many things have changed over time and so has Sorbent. With double the number of sheets on every roll, our Double Length toilet tissue is extra thick and noticeably soft, so not only do you change the rolls less often, you get more protection and comfort from every roll.