20 Pack Steam-Sterilized Pen Cartridges - This empty glass cartridge is 3ml, Compatible with Most V1-V2 personal pens devices
Medical-Grade Borosilicate Glass - Crafted from high-quality medical-grade borosilicate glass, keeping your contents pure and safe from reactions or leakage
Individually Wrapped, Cartridge for Peptide Pens - Each pen cartridge is individually wrapped, ensure cleanliness and tidiness
11mm Long Stopper - These 3cc cartridges equipped with 11mm long stopper, ensuring a tight fit and smooth dispensing
Quality Assurance - Manufactured under strict quality control standards. We offer flexible quantities to meet your needs