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These clear styrene shell vials are perfect for collecting small insects and other specimens. They have straight side walls with an opening the full diameter of the vial to simplify specimen insertion. The snap-on plastic caps provide a tight seal (do not use solvents or corrosive chemicals with these vials). Vial capacity is 3 drams (9ml or 0.4 ounce) and outside dimensions are 19mm OD x 46mm tall. One pack of 12 vials and caps.
These vials are not recommended for storing chemicals of any type.