●FOR AUTOMATIC LITTER BOXES: Designed to work with Leo’s Loo and Leo’s Loo Too—fits many automatic litter machines. Not recommended for standard cat boxes. ●GENEROUS SIZE: Works for waste drawers up to 13 x 13 inches, or 14 x 10 inches, with up to 6 inch depth. ●CONVENIENT DRAWSTRING: Easy to pull drawstring closure design makes waste removal simple and mess-free. ●ODOR CONTROL: Extra-thick 2mil (50 micron) tear-resistant material to control odor and prevent sticking. ●QUANTITY: 25 liners in each box. ●US-BASED CUSTOMER CARE: Not sure if this will fit your automatic litter box? Casa Leo is based in California and offers US-based customer support. For product support or questions about product returns, please contact Casa Leo directly (see website for contact info)