ZipNFC ANTI-METAL ID1 (credit card size) NFC Flexible Sticker with thin white PVC front and  3M sticky back. These are suitable for use on metal surfaces.  These are manufactured for business and used for commercial marketing so very strong and durable as well as having a strong adhesive applied. These have one of the longest reading distances available at 3CM+ with a mobile phone, so ideal for being concealed behind glass/plastic and even double glazing. These have many uses where you need a decent reading diatnce and for them to work on metal. With the PVC front they are well protected. Due to the strong sticky back they can be stuck on any surface.

These are cut to shape and come batched into 100 stcikers per bag and 500 stickers per box