Self-locking, 1-piece, molded nylon ties. Securely bundle electrical wires and cords, also great for multiple applications including electrical, auto, home, garden, and marine. Each assortment includes 100 each 4" pink and yellow. 100 each 7" blue, orange, and green. Reusable plastic jar container. UL (Underwriter's Laboratories) listed. CSA (Canadian Standards Association) approved.