Heat Seal Evidence Bag 4 inch x 10 inch x 0.004 inch (100 each)
Bags may be opened and closed at will with the patented zip-top seal or integrity protected with evidence labels or tape. Zip-top and heat seal bags are 0.004" (0.1 mm) thick polyethylene. Seal with SIRCHIE®'s No. 696E heat sealer.