Arrowhead Forensics Gun Shot Residue Kit - 4 Stub SEM - Plastic Case Tactical Watches The re-sealable DryFlex bag is

The re-sealable DryFlex bag is completely waterproof

by-feel opening then doubles as a textured leveraging platform for your thumb during cutting

Hangs your stuff securely

Built in battery polarity protection guards against damage to the light

Arrowhead Forensics Gun Shot Residue Kit - 4 Stub SEM - Plastic Case Tactical Watches The re-sealable DryFlex bag isSEM (Scanning Electron Microscopy) tests are conducted through analysis of the residues which have been collected on sticky metal stubs. These kits come in a 4 stub application and includes instructions, information sheet, gloves, security seals and a plastic box. Box dimensions 5" W x 3" H x 1. 5" D. GSR Collection Kit Contents: 2 or 4 Carbon Disks (SEM) 1 Pair Protective Gloves Security Seal Plastic Case Information Sheet Instructions