These custom-fit liners are made from a minimum of 70% post-consumer waste recycled plastic. They have an extra-strong construction and feature drawstring ties for easy closing. By choosing them over standard plastic bin liners, you'll get the perfect fit for your IntelligentWaste bin, help to limit the use of fossil fuels and reduce the amount of virgin plastic going to landfill. Designed for use with the following Joseph Joseph bins: Titan 20, Porta 40L.