Economy Ecosac Can Liners, Black. Star seal bottom prevents vacuum at bottom of container that can restrict easy lifting. All resins are 100% recyclable; inks and colorants are heavy-metal free. Super/Extra Heavy Duty. For heaviest cleanup jobs in warehouse, cafeteria or facility grounds. 55-gallon capacity. 38 x 60. 2.0 Mil. 50 Bags per Case.