Clear polyethylene storage bags lock shut when edges are sealed together.
Clear, 2 mil polyethylene bags are ideal for lab specimen storage as well as field-collected samples.
BAG PLASTIC ZIPLIP 12X15IN 4 ML PK100
BAG PLASTIC ZIPLIP 9X12IN 2ML CS1000
BAG PLASTIC ZIPLIP 3X4IN 2ML PK100