These plastic ice bags are specially formulated for rough handling and cold temperatures. The EVA additive (ethyl vinyl acetate) in the polyethylene base increases the strength and puncture-resistance under freezing temperatures. Bags are clear and come with orwithout a cotton drawstring. Thickness ranges from 1 .5 to 3.0 mil. All standard sizes for 5, 8, 10, 20 and 50 lb bags are available. Custom sizes and custom printed plastic bags also available.