Primrose 40-Count 33 Gallon Large Trash Bag with Twist Tie. It is a durable, black, 1.25 Mil plastic bag with a twist tie for easy closing. It is perfect for use in the kitchen, office, or any other room in the house. Manufactured from LDPE/ LLDPE recycled resin, it delivers the performance and versatility you need for all your big clean up jobs.