It’s not just toilet humor.

Charmin has released a new roll of toilet paper that is nearly three times the size of the company’s regular product.

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“Go up to one month before changing your roll,” Charmin boasts on its site, alongside customer review.

The standard toilet paper roll lasts for about 18 days. “For a lot of the single-user households we hear from,” Rob Reinerman, innovation director for P&G’s family-care business, told the Wall Street Journal, “this will last two or three months.”

“I really love not having to worry about buying t.p.!” a buyer named Richard wrote on the site.

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Parent company Procter & Gamble created the giant rolls in response to research that showed a rise in single-person millennial households with limited storage space to stash many smaller rolls.

The product is also made with single seniors in mind, the Journal reports.

The oversized bathroom necessity — dubbed the “Forever Roll” — is still in its test phase. It’s available on Charmin’s site but not yet in stores.

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While a standard cylinder of toilet tissue measures 4.7 inches in diameter, this new offering comes in 8.7-inch (single-user, $5.49 each) or 12-inch (for a family, $9.99 each) varieties.

Given their girth, a custom stand or a screw-in wall mount may be necessary. Charmin’s three starter kits ($29.97) come with a stand or one of two mounts in addition to three rolls.

This article originally appeared on the New York Post.