It's rated for around 400 washing cycles or 5 years of use, with under 0.1% estimated failure rate, and resists detergent, softener, bleach and alkali chemicals.
It can be sewn in or heat-sealed, and can withstand autoclave sterilization (121°C for 15-20 minutes, up to 100 cycles) and ironing up to 200°C.
The IDT-L9640 tag uses the UHF ISO/IEC 18000-6 Type C (EPC Gen2) standard at 840-960 MHz, with a reading range of roughly 4-6 metres depending on the reader.