1.8 mL clear wide-mouth snap/crimp top vial, writing patch with 250 ul insert. 12x32 mm, type 1 borosilicate glass. Recommended for short-term sample storage, such as for autosampler use within two days; the seal is not as tight as wtih screw caps.Packaged: 5-1/4 in. x 4-1/4 in. x 1-1/4 in. Plastic box; Weight: 317.5 g.