Biology

Heavy-duty polyethylene bags are perfect for all types of water, soil, or other biological collecting projects.   The bags have:• Leakproof closure-by whirling or tightly folding the tab over three times it becomes leakproof.• Special write-o...

Heavy-duty polyethylene bags are perfect for all types of water, soil, or other biological collecting projects.   The bags have:• Leakproof closure-by whirling or tightly folding the tab over three times it becomes leakproof.• Special write-o...

These large, 2-mil poly bags are ideal for larger specimens such as sharks or cats. These translucent bags resist moisture, acids, alkali, most solvents, and preservatives. They are seamless and can be heat-sealed for longer term storage. Bag size is...

Clear polyethylene bag may be repeatedly opened and closed. Ideal for short-term storage of preserved specimens.