Townew Refill Rings are environmentally efficient and friendly. Our refill rings are carefully crafted to be safe and effective with the intention to better our planet. The trash bags are tough and large in capacity, built to make it easier to accommodate your family's monthly usage. Each refill rings contains up to 20 durable trash bags, each lasting approximately one month. Simply replace the refill ring about once a month, and that's it! No more fumbling with bags that don't fit or seal properly.