This pet cage liner is made of good material, it doesn't have any strong odor, safe materials good for pets. to breathe in health way. Nice choice for hamster sleeping, hedgehog houses hideouts, small animal sleeping bed, etc. Features - Color: Assorted Color - Material:Cotton, polyester fiber, EVA - Size: 45.00X35.00X0.10cm/17.68X13.76X0.04in - Safe and reliable to use, not easy to break or deform, reusable and can be applied for longtime. - You can put it in anyplace where pets often stay, to keep small pets' feet and dry. - The mat can be washed, reusable, without fading and deformation for lasting use. - Suitable for small pets such as guinea pigs, rats, hamsters, chinchillas, bunnies, hedgehogs, etc. - The hamster pee pad is suitable for small pet cages, can be the bright decoration or a pet training mat. Package list: 1 x Guinea Pig Cage Liner(Star Pattern) 1 x Guinea Pig Cage Liner(Cloud Pattern)