Keep your vials and cartridges sanitary and safe from exposure with our covers! Designed to cover your crimp and rubber stopper once the vial cap is removed. The covers are made out of flexible TPU filament.
Please view all photos in this listing for a full understanding of each size we offer!
Cartridge caps are for 3ml pen cartridges.
Small vial caps are for vials up to 14mm diameter at the top where the cap goes.
Large vial caps are for vials up to 20.9mm diameter at the top where the cap goes.