Wet Sample Envelope 3x5 with Zip Lock Closure (Case of 1000)

Waterproof Sample Envelopes – 3" x 5" Case 1000

 3" x 5" waterproof sample envelopes with Zip Lock closure.  

Securely contain both oil-drenched (invert) and water-based samples, preventing leaking or seepage.  Easily Identify/Label with Pen or Marker. 

Fits USGeo Storage boxes #5501 and most standard sample envelope boxes.