[SIZE]: 20pcs x 39mm x 23mm x 5mm Cable Tie (L*W*T), Fit Bundle Diameter(Max.): 18mm; 30pcs x 28mm x 14mm x 4mm Cable Tie (L*W*T), Fit Bundle Diameter(Max.): 10mm. [NYLON]: This wire organizer lock is made of nylon material.Durable and flexible for locking your extension cords. [RELEASABLE]: The clip is releasable, it can fasten and loosen the cable rapidly. [EASY to USE]: Just twist to organize your cable, easy to install. [WIDE APPLICATION]: It is widely used for locking different cables rapidly, such as for your laptop power line, the USB cable, the earphone cord, the ethernet cable, the cable and so on.