Factory Price Aijiren Quality 11mm 1.5ml Snap Vials With Micro-Insert, 31*6mm Clear, Flat Bottom, Suits for 11mm Snap Ring Vials: 250uL Conical Micro-Insert, 31*5.7mm, Suits for 11mm Snap Ring Vials: 250uL Micro-Insert with Mandrel Interior, & Polymer Feet, 29*5.7mm, Suits for 11mm Snap Ring Vials: 0.3mL Clear PP Snap Ring Micro-Vial, 11.6*32mm