Bel-Art Screw Cap 118.0ml (4oz) Polypropylene Jars; 56mm Closure (Pack of 12) (H17910-0000) Jars are ideal for holding and retaining samples and have numerous storage applications across a variety of industries Store dry or liquid samples; autoclavable at 121degreeC (250degreeF); do not autoclave caps Ideal for craft supplies- paint, beads, glitter, or sequins Store and organize small parts such as fasteners Straight-side walls with PE foam cap liner