RAISED SIDES: Assure messes stay contained on top of the liner so cage maintenance and cleanup are more convenient. No more messes escaping through the sides or underneath your liner. No more scrubbing dirty cage corners and bottoms! NEW REVERSIBLE STYLE! Use the gray side or the color option of your choice (currently available in blue, green, and pink) – whatever you decide looks best in your small pet’s home. The Critter Box is easy to assemble. Just fold up the flaps at each corner and attach them together using the snap buttons. LEAKPROOF AND EASY TO CLEAN: This liner pad is super absorbent and waterproof to prevent leaks. Plus, the new seamless design means 99% less exposed stitches to minimize chewing and fraying. Our Sweep-EZ non-stick velvet fleece material is easy to clean and dust-free, providing a safe and comfortable environment for your small animal. Hay and debris can be swept up or shaken out of the liner with ease. MACHINE-WASHABLE: When the liner is soiled and ready to change, simply shake out the liner and throw it in the wash to clean it. We recommend keeping an extra liner or two on hand to switch between laundry days. VERSATILE: Not only great for guinea pigs, the Critter Box can also be used for ferrets, rabbits, rats, bunnies, hamsters, dogs, hedgehogs, chinchillas, birds, and other small animals. The Critter Box liner fits perfectly in most top-selling guinea pig and small animal cages and habitats. Our current sizes are designed for the C&C coroplast 2x3 and 2x4 cages, as well as Midwest cages. No more scrubbing dirty cage corners and bottoms! The Critter Box Washable, Reversible Cage Liner with Raised Sides makes cage maintenance and cleanup much more convenient. The walled sides of the Critter Box creates a barrier that keeps all messes contained on top of the liner, so you no longer have to worry about messes escaping through the sides or underneath your liner. This liner pad is super absorbent and waterproof to prevent leaks. And with Sweep-EZ material, hay and debris can be swept up or shaken out of the liner with ease. These liners are machine-washable, so when soiled and ready to change, simply throw the liner in the wash to clean it. (We recommend keeping an extra liner or two on hand to switch between laundry days.) The Critter Box is easy to assemble. Just fold up the flaps at each corner and attach them together using the snap buttons. With our new design, you can even reverse your Critter Box to fit your preferences. Each Critter Box liner can be used on the gray side or the color option of your choice (currently available in blue, green, and pink) – whatever you decide looks best in your small pet’s habitat.