http://tag.microsoft.com/what-is-tag/nfc.aspx

Official NFC tags that will work with Google Nexus 4 and 10 and Samsung Galaxy S4, also compatible with Google Nexus 7 , Samsung Galaxy S3 & S4 , Galaxy Note and Note 2 , HTC , Windows 8 phones Nokia and 95% of other NFC devices. To ensure your device is capable check that it can read/write NTAG203 TYPE2 .

NTAG203 can be used with NFC enabled phones for:

advertising - open a url
contact information transfer - name, email & phone number
mobile phone actions - dial a number, send an sms, turn wifi on/off, turn bluetooth on/off, turn flashlight on/off
goods & device authentication - SKU, Manufacturer

There are many free apps for writing tasks to the NFC TAGs but we recommend the free app NFC task launcher.

Size: Diameter:27mm
Type: Adhesive
Re-Writable: YES
Frequency: 13.56MHz56MHz
Distance: <3cm
Memory Size: 144 Bytes
Type: NFC Official Type2 Tag
Cover: Water resistible white compound paper - can be printed or written on

Compatible Models:
Google Nexus 4
Google Nexus 7
Google Nexus 10
Samsung Galaxy S3
Samsung Galaxy S4
Galaxy Note 1 & 2
95% of other NFC devices capable of reading NTAG203 Type 2

Package Includes
5 x NTAG203 TYPE 2 NFC TAGS