Specially designed for Catit Design SmartSift, these biodegradable replacement liners make managing your cat’s litter very convenient. Easy to put in, the liners are designed to suit perfectly within the cat pan base. They’re very effective at preventing waste clumps from sticking to the skin of the bottom, making cleanups such a lot more uncomplicated. When the lining is full, simply cast off and discard it. The liners are eco-friendly and will degrade in an organic or regular landfill.