Healthy guinea pig bottom is trending now, waterproof cage liners & Hay Feeders are the way to go with small animals. These bedding are well made and study: they can help you get away from frequent purchases and replacements over the years. It's an easier way to keep the cage clean: less mess and less cleaning work than wood/paper bedding or fleece liners. Fast-drying & Moisture-free surface: which is critical to keep your guinea pigs’ feet dry. Available Sizes: 28"x13"-For C&C 2x1 area. 28''x42''-For C&C 2x3 area. 28"x56"-For C&C 2x4 area. 24"x13"-For 1/4 MidWest Cage area. 24"x32"-For 3/4 MidWest Cage area. 24"x47"-For MidWest Cage. Our liners are specifically designed for multiple cage sizes for better coverage. Note: Please use extra pee pads on top of the base liner in high traffic or messy areas of the cage (next to hay feeder, underneath water bottles, where piggies sleep, etc.) and change them regularly. How to clean: 1. Sweep hay & droppings. 2. Stick away hair&hay with a sticky roller. 3. Base liners need to be changed every 3 to 4 days. Top liners need to be changed every day. 4. After a wash, line-drying is best. Warning: Do not bleach. Do not iron. Do not tumble dry.