The Litter Genie^® Easy Roll Refill features our beloved multi-layer odour control technology that stops the smells of soiled cat litter right in their tracks with some impressive newly added benefits. Easy Roll bags are perforated on a roll, allowing you to simply pull and peel off a full bag and effortlessly set-up a new one for ultimate convenience. With his 20 perforated bags, the refill can last up to 5 months for one cat, so you won’t have to constantly worry about buying and changing refills.