ZipNFC 30mm Square Disc Tag in Glossy White HARD PVC plastic with strong 3M glue and very thin. These are about 1 mm thick and the NFC technology is completely encased in PVC so waterproof and weather proof. This version has the NXP NTAG213 chip in it and has the anti-metal layer so can be used on metal surfaces.

These are manufactured for business and used for commercial use so very strong and durable as well as having a strong 3M adhesive applied. They also have an excellent reading distance. They are weather proof, waterproof, dust proof and can be outside as well as inside and on metal surfaces.