Official 840 tag - 840 replaces the 988 in the 15 digit EID number on the tag

Superior readability to all other tags on the market as tested by 2 independent labs (see detailed images).

Light weight tag weighing in at 7.2 grams

ISO 11784/11785 compliant

Choice of HDX (white) or FDX-B (yellow)

Unique convex ComfortEar back for greater animal comfort and would healing

Plastic locking device for easier application, better retention and improved read range

Over-molded technology for environmental protection of electronic components

Packaged in sets of 25 (includes male buttons/rivets)