The High Density Can Liners are blended of a high density polyethylene and LLDPE resins, making them durable and puncture resistant. They can withstand temperatures from -40°F to 212°F. Approximately 3 times stronger than ordinary polyethylene liners of the same thickness. These superior quality liners are perforated for easy dispensing. They can be placed in the bottom of a wastebasket or on a housekeeping cart for quick & easy access, while saving storage space. Confines odors. USDA and FDA approved.