Choice 50pcs 10-50 Pack 3ml Peptide Insulin Pen Cartridge, 3cc Cartridges Compatible with Reusable Injectio

Regarding the question of whether the product is sterilized:

Our products are first sterilized with high-temperature steam in glass tubes, and then individually packaged in UV-sterilized bags, so it is normal that the label has not changed color; All products are sterilized before packaging.

Perfect Compatibility for Peptide Pens - Designed specifically for V1 V2 and V3 pen injector and peptide pen systems. These 3ml (3cc) cartridges feature a precision-engineered 11mm long stopper, ensuring a seamless fit and smooth dispensing

Medical-Grade Borosilicate Glass - Crafted from high-quality medical-grade borosilicate glass, keeping your contents pure and safe from reactions or leakage

10 Pack Steam Sterilized & Individually Wrapped - Every 3ml cartridge for V1 & V2 & V3 pen and peptide use is Steam Sterilized and individually sealed

Airtight & Leak-Proof Design - Features a high-resilience 11mm(0.43") rubber stopper that creates a secure, airtight seal, This leak-proof design is perfect for storage and transport

Value Pack Options - We offer flexible quantities to meet your needs