High density can liners are stronger and more puncture resistant with less stretch than low density liners. They are available in a wide range of sizes, and can sustain a wide range of temperatures from -40°F to +240°F. USDA and FDA Approved for direct food content, and implement a star seal bottom seal, the strongest, most reliable seal available utilizing pickets for wet material below the seal. Not suggested for sharp or jagged refuse. No side seams or side seals. Great for odor confinement.