China Screw Glass Vial, China Screw Glass Vial. 10 Packs (Min. Order) Contact Supplier. Transaction Level. USP Type 1, Borosilicate Glass 4ML-13-V1002 4mL, Clear Glass, 15*45mm, Flat Base, 13-425 Screw Thread Vial with White Write-on Patch and Graduation Lines. 100pcs/pk. USP Type 1, Borosilicate Glass 4ML-13-V1003 4mL, Amber Glass, 15*45mm