High-density polyethylene provides excellent lifting strength with minimal stretching. Star-sealed bottom helps distribute weight more evenly while minimizing the potential for messy leaks. Sturdy and economical, these liners are ideal for heavier loads that do not contain sharp objects. Strong and economical, high-density polyethylene. Excellent lifting strength with minimal stretching. Star-sealed bottom. Split-resistant-ideal for heavier loads that do not contain sharp objects.