amber 20ml headspace vials with writing space for sale Aijiren crimp top vials with writing space-Aijiren Crimp Vials | Aijiren. Headspace Vials & Caps Part Number: Vial, crimp top, headspace, amber, graduation marks and write-on spot, flat bottom, certified, 10 mL, 23 x 46 mm, 100/pk. Vial size: 22.75 x 46 mm (20 mm cap) Add