Flexible safety cap for clamped holding of elongated objects (20) consisting of an elastically deformable packaging that is open on at least one end and consists of two opposing side walls (2, 5), a bottom wall (3), a cover wall (35) and an end wall (4), wherein multiple slots (7-10; 37-41) spaced a distance apart from one another are arranged at least in the cover wall (35) and/or in the bottom wall (3), forming upper and/or lower strap-shaped or belt-shaped spring elements (11-13; 14-17) between them, forming a clamping channel (36) between them.