This small pet rug is a natural and environmentally friendly play idea for small pets it is made of 100 flax and is popular with a variety of small pets especially nest builders like rats mice and hamsters just cut the mat to the desired size and lay it in the cage the small pet rug can serve as a sleeping mat for nest building or simply as an activity animals get the best ideas of what they can do with it and since its made of pure natural fibres it can be munched on without a worr