A device for holding a radio frequency identification (RFID) device and securing the RFID device to another object, particularly an object having a curved or irregular shaped surface. The device includes multiple locking plates that interleave or overlap within slots formed in the base of a container holding an RFID device. One of more locking members integral with the locking plates assist in securing one locking plate to another and resist separating the locking plates once installed. Flanges or extensions extend outside of the base and provide structure to secure the device to an object to be identified.