Adjustable sling as a support of internal organs or anatomical tissues that can be properly positioned into the patient's body without any special instrument, just by using a standard surgical forceps, and it allows to be repositioned, which is provided with a cavity in each of the laterals of the sling, with an opening to be able to introduce a standard surgical forceps to push the sling into the target place, said cavities formed by folding a part of the extremes of the sling inwards and after that sealing them by thread knots or thermal fixation.