Glad you asked!

Here are some technical details regarding the EquineChip:
Bio Compatible Glass | Made by Schott®
Anti Migration Coating | Smooth Parylene® coating on all of our chips.
Needles | Stainless steel, extra sharp 15 gauge ‘mini’ needle.
Warranty | Lifetime Warranty on Microchips.
EtO Sterilization Process | Unopened pouch guaranteed sterile for 5 years.
Recyclable Materials | Packaging, plastics, paper and needles.