Glad you asked!

Here are some technical details regarding ProID®:
• 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.