As a leading entity in this arena, we are zealously engrossed in manufacturing and supplying a comprehensive line of the best quality 20 ml 5.4 Dram Vials with Magnetic Caps. To design and make the vials, our adept team members utilize the best grade borosilicate glass in size of 20ML/10ML and transparent color. Suitable for GC application, they are featured with screwed mouth for sealing air-tightly. Besides, clients can buy 20 ml 5.4 Dram Vials with Magnetic Caps in safe box packaging of 100 nos. at fair prices.