Hamiledyi Hamster Mat,Thermal Pet Warming Bed Mat Sleep Mat Pad for Gerbils Chinchillas Hedgehogs Mice and Other Small Animals(Pack of 2) Self warming pet mat, no electricity - cozy and soft Machine wash in cold water on gentle cycle. Line dry Leopard-print motif You can also send it to your pet as a gift and use it in cold weather. Package including2*pet bed matsdifferent sizes